; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=instcombine -S < %s | FileCheck %s declare void @use.i1(i1) declare void @use.i8(i8) ; Basic test define i8 @andcond(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) { ; CHECK-LABEL: @andcond( ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %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(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) { ; CHECK-LABEL: @orcond( ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]], i8 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %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 } ; Extra use tests (basic test, no inversions) define i8 @andcond.extrause0(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) { ; CHECK-LABEL: @andcond.extrause0( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false call void @use.i1(i1 %outer.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.extrause0(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) { ; CHECK-LABEL: @orcond.extrause0( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND]], i8 [[INNER_SEL_FALSEVAL:%.*]], i8 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond call void @use.i1(i1 %outer.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 } define i8 @andcond.extrause1(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) { ; CHECK-LABEL: @andcond.extrause1( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: call void @use.i8(i8 [[TMP1]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_TRUEVAL]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL]], i8 [[INNER_SEL_FALSEVAL]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false %inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval call void @use.i8(i8 %inner.sel) %outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel ret i8 %outer.sel } define i8 @orcond.extrause1(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) { ; CHECK-LABEL: @orcond.extrause1( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[INNER_COND:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: call void @use.i8(i8 [[TMP1]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[ALT_COND:%.*]], i8 [[INNER_SEL_FALSEVAL]], i8 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL]], i8 [[INNER_SEL]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond %inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval call void @use.i8(i8 %inner.sel) %outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval ret i8 %outer.sel } define i8 @andcond.extrause2(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) { ; CHECK-LABEL: @andcond.extrause2( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: call void @use.i8(i8 [[INNER_SEL]]) ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[OUTER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 %alt.cond, i1 false call void @use.i1(i1 %outer.cond) %inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval call void @use.i8(i8 %inner.sel) %outer.sel = select i1 %outer.cond, i8 %outer.sel.trueval, i8 %inner.sel ret i8 %outer.sel } define i8 @orcond.extrause2(i1 %inner.cond, i1 %alt.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.falseval) { ; CHECK-LABEL: @orcond.extrause2( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND:%.*]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: call void @use.i1(i1 [[OUTER_COND]]) ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: call void @use.i8(i8 [[INNER_SEL]]) ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[INNER_SEL]], i8 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond, i1 true, i1 %alt.cond call void @use.i1(i1 %outer.cond) %inner.sel = select i1 %inner.cond, i8 %inner.sel.trueval, i8 %inner.sel.falseval call void @use.i8(i8 %inner.sel) %outer.sel = select i1 %outer.cond, i8 %inner.sel, i8 %outer.sel.falseval ret i8 %outer.sel } ; Mismatched 'common' cond 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) { ; CHECK-LABEL: @andcond.different.inner.cond( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], 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]] ; %outer.cond = select i1 %inner.cond.v0, i1 %alt.cond, i1 false %inner.sel = select i1 %inner.cond.v1, 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.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) { ; CHECK-LABEL: @orcond.different.inner.cond( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i8 [[INNER_SEL_TRUEVAL:%.*]], i8 [[INNER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i8 [[INNER_SEL]], i8 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i8 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond.v0, i1 true, i1 %alt.cond %inner.sel = select i1 %inner.cond.v1, 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 } 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) { ; CHECK-LABEL: @andcond.different.inner.cond.both.inverted( ; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %not.inner.cond.0 = xor i1 %inner.cond.v0, -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.v1, -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.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) { ; CHECK-LABEL: @orcond.different.inner.cond.both.inverted( ; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %not.inner.cond.0 = xor i1 %inner.cond.v0, -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.v1, -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 } 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) { ; CHECK-LABEL: @andcond.different.inner.cond.inverted.in.outer.cond( ; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %not.inner.cond.0 = xor i1 %inner.cond.v0, -1 %outer.cond = select i1 %not.inner.cond.0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond %inner.sel = select i1 %inner.cond.v1, 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.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) { ; CHECK-LABEL: @orcond.different.inner.cond.inverted.in.outer.cond( ; CHECK-NEXT: [[NOT_INNER_COND_0:%.*]] = xor i1 [[INNER_COND_V0:%.*]], true ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[NOT_INNER_COND_0]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_COND_V1:%.*]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %not.inner.cond.0 = xor i1 %inner.cond.v0, -1 %outer.cond = select i1 %not.inner.cond.0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond %inner.sel = select i1 %inner.cond.v1, i1 true, i1 %inner.sel.trueval %outer.sel = select i1 %outer.cond, i1 %inner.sel, i1 %outer.sel.falseval ret i1 %outer.sel } 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) { ; CHECK-LABEL: @andcond.different.inner.cond.inverted.in.inner.sel( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 [[ALT_COND:%.*]], i1 false ; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 [[INNER_SEL_FALSEVAL:%.*]], i1 false ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[OUTER_SEL_TRUEVAL:%.*]], i1 [[INNER_SEL]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond.v0, i1 %alt.cond, i1 false ; and %inner.cond, %alt.cond %not.inner.cond.1 = xor i1 %inner.cond.v1, -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.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) { ; CHECK-LABEL: @orcond.different.inner.cond.inverted.in.inner.sel( ; CHECK-NEXT: [[OUTER_COND:%.*]] = select i1 [[INNER_COND_V0:%.*]], i1 true, i1 [[ALT_COND:%.*]] ; CHECK-NEXT: [[NOT_INNER_COND_1:%.*]] = xor i1 [[INNER_COND_V1:%.*]], true ; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[NOT_INNER_COND_1]], i1 true, i1 [[INNER_SEL_TRUEVAL:%.*]] ; CHECK-NEXT: [[OUTER_SEL:%.*]] = select i1 [[OUTER_COND]], i1 [[INNER_SEL]], i1 [[OUTER_SEL_FALSEVAL:%.*]] ; CHECK-NEXT: ret i1 [[OUTER_SEL]] ; %outer.cond = select i1 %inner.cond.v0, i1 true, i1 %alt.cond ; or %inner.cond, %alt.cond %not.inner.cond.1 = xor i1 %inner.cond.v1, -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 } ; Not an inversion ; Based on reproduced from https://reviews.llvm.org/D139275#4001580 define i8 @D139275_c4001580(i1 %c0, i1 %c1, i1 %c2, i8 %inner.sel.trueval, i8 %inner.sel.falseval, i8 %outer.sel.trueval) { ; CHECK-LABEL: @D139275_c4001580( ; 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 ret i1 %outer.sel }