500 lines
30 KiB
LLVM
500 lines
30 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instcombine -S < %s | FileCheck %s
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declare void @use.i1(i1)
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declare void @use.i8(i8)
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; Basic test
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define i8 @andcond(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond(
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
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ret i8 %outer.sel
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}
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define i8 @orcond(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond(
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
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ret i8 %outer.sel
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}
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; Extra use tests (basic test, no inversions)
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define i8 @andcond.extrause0(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.extrause0(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false
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call void @use.i1(i1 %outer.cond)
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
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ret i8 %outer.sel
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}
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define i8 @orcond.extrause0(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.extrause0(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND]], i8 [[INNER_SEL_FALSEVAL:%.*]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond
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call void @use.i1(i1 %outer.cond)
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
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ret i8 %outer.sel
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}
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define i8 @andcond.extrause1(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.extrause1(
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; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: call void @use.i8(i8 [[TMP1]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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call void @use.i8(i8 %inner.sel)
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%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
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ret i8 %outer.sel
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}
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define i8 @orcond.extrause1(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.extrause1(
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; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: call void @use.i8(i8 [[TMP1]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[INNER_SEL_FALSEVAL]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL]], i8 [[INNER_SEL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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call void @use.i8(i8 %inner.sel)
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%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
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ret i8 %outer.sel
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}
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define i8 @andcond.extrause2(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.extrause2(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: call void @use.i8(i8 [[INNER_SEL]])
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false
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call void @use.i1(i1 %outer.cond)
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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call void @use.i8(i8 %inner.sel)
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%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
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ret i8 %outer.sel
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}
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define i8 @orcond.extrause2(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.extrause2(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: call void @use.i8(i8 [[INNER_SEL]])
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[INNER_SEL]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond
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call void @use.i1(i1 %outer.cond)
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%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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call void @use.i8(i8 %inner.sel)
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%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
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ret i8 %outer.sel
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}
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; Mismatched 'common' cond
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define i8 @andcond.different.inner.cond(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.different.inner.cond(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond.v0, i1 %alt.cond, i1 false
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%inner.sel = select i1 %inner.cond.v1, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
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ret i8 %outer.sel
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}
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define i8 @orcond.different.inner.cond(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.different.inner.cond(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[INNER_SEL]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i8 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond.v0, i1 true, i1 %alt.cond
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%inner.sel = select i1 %inner.cond.v1, i8 %inner.sel.trueval, i8 %inner.sel.falseval
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%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
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ret i8 %outer.sel
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}
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define i1 @andcond.different.inner.cond.both.inverted(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.different.inner.cond.both.inverted(
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; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%not.inner.cond.0 = xor i1 %inner.cond.v0, -1
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%outer.cond = select i1 %not.inner.cond.0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
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%not.inner.cond.1 = xor i1 %inner.cond.v1, -1
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%inner.sel = select i1 %not.inner.cond.1, i1 %inner.sel.falseval, i1 false
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%outer.sel = select i1 %outer.cond, i1 %outer.sel.trueval, i1 %inner.sel
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ret i1 %outer.sel
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}
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define i1 @orcond.different.inner.cond.both.inverted(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.different.inner.cond.both.inverted(
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; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%not.inner.cond.0 = xor i1 %inner.cond.v0, -1
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%outer.cond = select i1 %not.inner.cond.0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
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%not.inner.cond.1 = xor i1 %inner.cond.v1, -1
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%inner.sel = select i1 %not.inner.cond.1, i1 true, i1 %inner.sel.trueval
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%outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval
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ret i1 %outer.sel
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}
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define i1 @andcond.different.inner.cond.inverted.in.outer.cond(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.different.inner.cond.inverted.in.outer.cond(
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; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%not.inner.cond.0 = xor i1 %inner.cond.v0, -1
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%outer.cond = select i1 %not.inner.cond.0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
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%inner.sel = select i1 %inner.cond.v1, i1 %inner.sel.falseval, i1 false
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%outer.sel = select i1 %outer.cond, i1 %outer.sel.trueval, i1 %inner.sel
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ret i1 %outer.sel
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}
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define i1 @orcond.different.inner.cond.inverted.in.outer.cond(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.different.inner.cond.inverted.in.outer.cond(
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; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%not.inner.cond.0 = xor i1 %inner.cond.v0, -1
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%outer.cond = select i1 %not.inner.cond.0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
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%inner.sel = select i1 %inner.cond.v1, i1 true, i1 %inner.sel.trueval
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%outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval
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ret i1 %outer.sel
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}
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define i1 @andcond.different.inner.cond.inverted.in.inner.sel(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
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; CHECK-LABEL: @andcond.different.inner.cond.inverted.in.inner.sel(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 [[ALT_COND:%.*]], i1 false
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; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond.v0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
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%not.inner.cond.1 = xor i1 %inner.cond.v1, -1
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%inner.sel = select i1 %not.inner.cond.1, i1 %inner.sel.falseval, i1 false
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%outer.sel = select i1 %outer.cond, i1 %outer.sel.trueval, i1 %inner.sel
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ret i1 %outer.sel
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}
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define i1 @orcond.different.inner.cond.inverted.in.inner.sel(i1 %inner.cond.v0, i1 %inner.cond.v1, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
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; CHECK-LABEL: @orcond.different.inner.cond.inverted.in.inner.sel(
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; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 true, i1 [[ALT_COND:%.*]]
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; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true
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; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]]
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; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]]
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; CHECK-NEXT: ret i1 [[OUTER_SEL]]
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;
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%outer.cond = select i1 %inner.cond.v0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
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%not.inner.cond.1 = xor i1 %inner.cond.v1, -1
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%inner.sel = select i1 %not.inner.cond.1, i1 true, i1 %inner.sel.trueval
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%outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval
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ret i1 %outer.sel
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}
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; Not an inversion
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; Based on reproduced from https://reviews.llvm.org/D139275#4001580
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define i8 @D139275_c4001580(i1 %c0, i1 %c1, i1 %c2, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
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; CHECK-LABEL: @D139275_c4001580(
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|
; CHECK-NEXT: [[INNER_COND:%.*]] = xor i1 [[C0:%.*]], [[C1:%.*]]
|
|
; CHECK-NEXT: [[OUTER_COND:%.*]] = and i1 [[C2:%.*]], [[C1]]
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i8 [[OUTER_SEL]]
|
|
;
|
|
%inner.cond = xor i1 %c0, %c1
|
|
%outer.cond = and i1 %c2, %c1
|
|
%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
|
|
%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
|
|
ret i8 %outer.sel
|
|
}
|
|
|
|
; Tests with intervening inversions
|
|
|
|
; In %outer.sel, %outer.cond is inverted
|
|
define i1 @andcond.001.inv.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.001.inv.outer.cond(
|
|
; CHECK-NEXT: [[NOT_ALT_COND:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_ALT_COND]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 false
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL]], i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 %inner.sel, i1 false
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.001.inv.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.001.inv.outer.cond(
|
|
; CHECK-NEXT: [[NOT_ALT_COND:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_ALT_COND]], i1 true, i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 true, i1 %inner.sel
|
|
ret i1 %outer.sel
|
|
}
|
|
|
|
; In %inner.sel, %inner.cond is inverted
|
|
define i1 @andcond.010.inv.inner.cond.in.inner.sel(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.010.inv.inner.cond.in.inner.sel(
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 false
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL]], i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond, i1 %inner.sel.falseval, i1 false
|
|
%outer.sel = select i1 %outer.cond, i1 %outer.sel.trueval, i1 %inner.sel
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.010.inv.inner.cond.in.inner.sel(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.010.inv.inner.cond.in.inner.sel(
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i1 true, i1 [[OUTER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond, i1 true, i1 %inner.sel.trueval
|
|
%outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval
|
|
ret i1 %outer.sel
|
|
}
|
|
|
|
; In %outer.cond, %inner.cond is inverted
|
|
define i8 @andcond.100.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.100.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i8 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
|
|
%outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel
|
|
ret i8 %outer.sel
|
|
}
|
|
define i8 @orcond.100.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.100.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[OUTER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: ret i8 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval
|
|
%outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval
|
|
ret i8 %outer.sel
|
|
}
|
|
|
|
; In %outer.sel, %outer.cond is inverted
|
|
; In %inner.sel, %inner.cond is inverted
|
|
define i1 @andcond.011.inv.outer.cond.inv.inner.cond.in.inner.sel(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.011.inv.outer.cond.inv.inner.cond.in.inner.sel(
|
|
; CHECK-NEXT: [[NOT_INNER_COND:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[NOT_INNER_COND]], i1 true, i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[NOT_ALT_COND:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_ALT_COND]], i1 [[INNER_SEL_FALSEVAL]], i1 false
|
|
; CHECK-NEXT: [[NOT_INNER_COND1:%.*]] = xor i1 [[INNER_COND]], true
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[NOT_INNER_COND1]], i1 true, i1 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond, i1 true, i1 %inner.sel.falseval
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
call void @use.i1(i1 %inner.sel)
|
|
%outer.sel = select i1 %not.outer.cond, i1 %inner.sel, i1 false
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.011.inv.outer.cond.inv.inner.cond.in.inner.sel(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.011.inv.outer.cond.inv.inner.cond.in.inner.sel(
|
|
; CHECK-NEXT: [[NOT_INNER_COND:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[NOT_INNER_COND]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 false
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[NOT_ALT_COND:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_ALT_COND]], i1 true, i1 [[INNER_SEL_TRUEVAL]]
|
|
; CHECK-NEXT: [[NOT_INNER_COND1:%.*]] = xor i1 [[INNER_COND]], true
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[NOT_INNER_COND1]], i1 [[INNER_SEL]], i1 false
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond, i1 %inner.sel.trueval, i1 false
|
|
call void @use.i1(i1 %inner.sel)
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 true, i1 %inner.sel
|
|
ret i1 %outer.sel
|
|
}
|
|
|
|
; In %outer.sel, %outer.cond is inverted
|
|
; In %outer.cond, %inner.cond is inverted
|
|
define i1 @andcond.101.inv.outer.cond.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.101.inv.outer.cond.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[ALT_COND_NOT:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND_NOT]], i1 [[INNER_SEL_FALSEVAL]], i1 false
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i1 [[INNER_SEL_TRUEVAL]], i1 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval
|
|
call void @use.i1(i1 %inner.sel)
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 %inner.sel, i1 false
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.101.inv.outer.cond.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.101.inv.outer.cond.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[ALT_COND_NOT:%.*]] = xor i1 [[ALT_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND_NOT]], i1 true, i1 [[INNER_SEL_TRUEVAL]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i1 [[INNER_SEL]], i1 [[INNER_SEL_FALSEVAL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%inner.sel = select i1 %inner.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval
|
|
call void @use.i1(i1 %inner.sel)
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 true, i1 %inner.sel
|
|
ret i1 %outer.sel
|
|
}
|
|
|
|
; In %inner.sel, %inner.cond is inverted
|
|
; In %outer.cond, %inner.cond is inverted
|
|
define i1 @andcond.110.inv.inner.cond.in.inner.sel.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.110.inv.inner.cond.in.inner.sel.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[INNER_SEL]], i1 false
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond.0 = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond.0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
%not.inner.cond.1 = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond.1, i1 %inner.sel.falseval, i1 false
|
|
%outer.sel = select i1 %outer.cond, i1 %outer.sel.trueval, i1 %inner.sel
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.110.inv.inner.cond.in.inner.sel.inv.inner.cond.in.outer.cond(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.110.inv.inner.cond.in.inner.sel.inv.inner.cond.in.outer.cond(
|
|
; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i1 [[INNER_SEL_TRUEVAL:%.*]], i1 [[OUTER_SEL_FALSEVAL:%.*]]
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[INNER_SEL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond.0 = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond.0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
%not.inner.cond.1 = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond.1, i1 true, i1 %inner.sel.trueval
|
|
%outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval
|
|
ret i1 %outer.sel
|
|
}
|
|
|
|
; In %outer.sel, %outer.cond is inverted
|
|
; In %inner.sel, %inner.cond is inverted
|
|
; In %outer.cond, %inner.cond is inverted
|
|
define i1 @andcond.111.inv.all.conds(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.trueval) {
|
|
; CHECK-LABEL: @andcond.111.inv.all.conds(
|
|
; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[ALT_COND:%.*]], i1 false
|
|
; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
|
|
; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND]], true
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[INNER_COND]], i1 true, i1 [[ALT_COND]]
|
|
; CHECK-NEXT: [[TMP3:%.*]] = xor i1 [[TMP2]], true
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[TMP3]], i1 [[INNER_SEL_FALSEVAL]], i1 false
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond.0 = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond.0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond
|
|
call void @use.i1(i1 %outer.cond)
|
|
%not.inner.cond.1 = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond.1, i1 %inner.sel.falseval, i1 false
|
|
call void @use.i1(i1 %inner.sel)
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 %inner.sel, i1 false
|
|
ret i1 %outer.sel
|
|
}
|
|
define i1 @orcond.111.inv.all.conds(i1 %inner.cond, i1 %alt.cond, i1 %inner.sel.trueval, i1 %inner.sel.falseval, i1 %outer.sel.falseval) {
|
|
; CHECK-LABEL: @orcond.111.inv.all.conds(
|
|
; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND:%.*]], true
|
|
; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[ALT_COND:%.*]]
|
|
; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]])
|
|
; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND]], true
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]]
|
|
; CHECK-NEXT: call void @use.i1(i1 [[TMP1]])
|
|
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[INNER_COND]], i1 [[ALT_COND]], i1 false
|
|
; CHECK-NEXT: [[TMP3:%.*]] = xor i1 [[TMP2]], true
|
|
; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[TMP3]], i1 true, i1 [[INNER_SEL_TRUEVAL]]
|
|
; CHECK-NEXT: ret i1 [[OUTER_SEL]]
|
|
;
|
|
%not.inner.cond.0 = xor i1 %inner.cond, -1
|
|
%outer.cond = select i1 %not.inner.cond.0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond
|
|
call void @use.i1(i1 %outer.cond)
|
|
%not.inner.cond.1 = xor i1 %inner.cond, -1
|
|
%inner.sel = select i1 %not.inner.cond.1, i1 true, i1 %inner.sel.trueval
|
|
call void @use.i1(i1 %inner.sel)
|
|
%not.outer.cond = xor i1 %outer.cond, -1
|
|
%outer.sel = select i1 %not.outer.cond, i1 true, i1 %inner.sel
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ret i1 %outer.sel
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}
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