140 lines
4.9 KiB
LLVM
140 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
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; RUN: opt -passes=ipsccp -S %s -o -| FileCheck %s
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define void @caller.1(ptr %arg) {
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; CHECK-LABEL: define {{[^@]+}}@caller.1
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; CHECK-SAME: (ptr [[ARG:%.*]]) {
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; CHECK-NEXT: [[R_1:%.*]] = tail call i32 @callee.1(i32 4)
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; CHECK-NEXT: [[R_2:%.*]] = tail call i32 @callee.1(i32 2)
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; CHECK-NEXT: call void @use(i32 20)
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; CHECK-NEXT: ret void
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;
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%r.1 = tail call i32 @callee.1(i32 4)
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%r.2 = tail call i32 @callee.1(i32 2)
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%r.3 = add i32 %r.1, %r.2
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call void @use(i32 %r.3)
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ret void
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}
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define internal i32 @callee.1(i32 %arg) {
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; CHECK-LABEL: define {{[^@]+}}@callee.1
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; CHECK-SAME: (i32 [[ARG:%.*]]) {
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; CHECK-NEXT: [[SEL:%.*]] = select i1 false, i32 16, i32 [[ARG]]
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; CHECK-NEXT: br label [[BB10:%.*]]
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; CHECK: bb10:
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; CHECK-NEXT: ret i32 undef
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;
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%c.1 = icmp slt i32 %arg, 0
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%sel = select i1 %c.1, i32 16, i32 %arg
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%c.2 = icmp eq i32 %sel, 0
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br i1 %c.2, label %bb12, label %bb10
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bb10: ; preds = %bb8
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ret i32 10
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bb12: ; preds = %bb8, %bb3, %bb
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ret i32 12
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}
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declare void @use(i32)
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define internal i1 @f1(i32 %x, i32 %y, i1 %cmp) {
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; CHECK-LABEL: define {{[^@]+}}@f1
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; CHECK-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]], i1 [[CMP:%.*]]) {
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; CHECK-NEXT: [[SEL_1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[Y]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i32 [[SEL_1]], 100
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; CHECK-NEXT: [[C_3:%.*]] = icmp eq i32 [[SEL_1]], 50
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; CHECK-NEXT: [[RES_1:%.*]] = add nuw nsw i1 false, [[C_2]]
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; CHECK-NEXT: [[RES_2:%.*]] = add i1 [[RES_1]], [[C_3]]
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; CHECK-NEXT: [[RES_3:%.*]] = add nuw nsw i1 [[RES_2]], false
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; CHECK-NEXT: ret i1 [[RES_3]]
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;
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%sel.1 = select i1 %cmp, i32 %x, i32 %y
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%c.1 = icmp sgt i32 %sel.1, 300
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%c.2 = icmp sgt i32 %sel.1, 100
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%c.3 = icmp eq i32 %sel.1, 50
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%c.4 = icmp slt i32 %sel.1, 9
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%res.1 = add i1 %c.1, %c.2
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%res.2 = add i1 %res.1, %c.3
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%res.3 = add i1 %res.2, %c.4
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ret i1 %res.3
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}
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define i1 @caller1(i1 %cmp) {
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; CHECK-LABEL: define {{[^@]+}}@caller1
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; CHECK-SAME: (i1 [[CMP:%.*]]) {
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; CHECK-NEXT: [[CALL_1:%.*]] = tail call i1 @f1(i32 10, i32 100, i1 [[CMP]])
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; CHECK-NEXT: [[CALL_2:%.*]] = tail call i1 @f1(i32 20, i32 200, i1 [[CMP]])
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; CHECK-NEXT: [[RES:%.*]] = and i1 [[CALL_1]], [[CALL_2]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%call.1 = tail call i1 @f1(i32 10, i32 100, i1 %cmp)
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%call.2 = tail call i1 @f1(i32 20, i32 200, i1 %cmp)
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%res = and i1 %call.1, %call.2
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ret i1 %res
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}
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define i1 @f2(i32 %x, i32 %y, i1 %cmp) {
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; CHECK-LABEL: define {{[^@]+}}@f2
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; CHECK-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]], i1 [[CMP:%.*]]) {
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; CHECK-NEXT: [[SEL_1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[Y]]
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; CHECK-NEXT: [[C_1:%.*]] = icmp sgt i32 [[SEL_1]], 300
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; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i32 [[SEL_1]], 100
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; CHECK-NEXT: [[C_3:%.*]] = icmp eq i32 [[SEL_1]], 50
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; CHECK-NEXT: [[C_4:%.*]] = icmp slt i32 [[SEL_1]], 9
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; CHECK-NEXT: [[RES_1:%.*]] = add i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: [[RES_2:%.*]] = add i1 [[RES_1]], [[C_3]]
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; CHECK-NEXT: [[RES_3:%.*]] = add i1 [[RES_2]], [[C_4]]
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; CHECK-NEXT: ret i1 [[RES_3]]
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;
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%sel.1 = select i1 %cmp, i32 %x, i32 %y
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%c.1 = icmp sgt i32 %sel.1, 300
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%c.2 = icmp sgt i32 %sel.1, 100
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%c.3 = icmp eq i32 %sel.1, 50
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%c.4 = icmp slt i32 %sel.1, 9
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%res.1 = add i1 %c.1, %c.2
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%res.2 = add i1 %res.1, %c.3
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%res.3 = add i1 %res.2, %c.4
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ret i1 %res.3
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}
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define i1 @caller2(i32 %y, i1 %cmp) {
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; CHECK-LABEL: define {{[^@]+}}@caller2
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; CHECK-SAME: (i32 [[Y:%.*]], i1 [[CMP:%.*]]) {
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; CHECK-NEXT: [[CALL_1:%.*]] = tail call i1 @f2(i32 10, i32 [[Y]], i1 [[CMP]])
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; CHECK-NEXT: [[CALL_2:%.*]] = tail call i1 @f2(i32 20, i32 [[Y]], i1 [[CMP]])
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; CHECK-NEXT: [[RES:%.*]] = and i1 [[CALL_1]], [[CALL_2]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%call.1 = tail call i1 @f2(i32 10, i32 %y, i1 %cmp)
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%call.2 = tail call i1 @f2(i32 20, i32 %y, i1 %cmp)
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%res = and i1 %call.1, %call.2
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ret i1 %res
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}
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@GV = common global i32 0, align 4
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define i32 @f3_constantexpr_cond(i32 %x, i32 %y) {
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; CHECK-LABEL: define {{[^@]+}}@f3_constantexpr_cond
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; CHECK-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) {
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; CHECK-NEXT: [[SEL_1:%.*]] = select i1 icmp eq (ptr @f3_constantexpr_cond, ptr @GV), i32 [[X]], i32 [[Y]]
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; CHECK-NEXT: ret i32 [[SEL_1]]
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;
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%sel.1 = select i1 icmp eq (ptr @f3_constantexpr_cond, ptr @GV), i32 %x, i32 %y
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ret i32 %sel.1
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}
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define i32 @caller3(i32 %y) {
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; CHECK-LABEL: define {{[^@]+}}@caller3
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; CHECK-SAME: (i32 [[Y:%.*]]) {
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; CHECK-NEXT: [[CALL_1:%.*]] = tail call i32 @f3_constantexpr_cond(i32 10, i32 [[Y]])
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; CHECK-NEXT: [[CALL_2:%.*]] = tail call i32 @f3_constantexpr_cond(i32 20, i32 [[Y]])
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; CHECK-NEXT: [[RES:%.*]] = and i32 [[CALL_1]], [[CALL_2]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%call.1 = tail call i32 @f3_constantexpr_cond(i32 10, i32 %y)
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%call.2 = tail call i32 @f3_constantexpr_cond(i32 20, i32 %y)
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%res = and i32 %call.1, %call.2
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ret i32 %res
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}
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