50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -inline -instcombine -S < %s | FileCheck %s
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; TODO: this is a case that would be interesting to support, but we don't yet
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; at the moment.
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@Global = internal constant i32 1, align 4
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define internal void @recursiveFunc(i32* nocapture readonly %arg) {
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; CHECK-LABEL: @recursiveFunc(
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; CHECK-NEXT: [[TEMP:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[ARG_LOAD:%.*]] = load i32, i32* [[ARG:%.*]], align 4
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; CHECK-NEXT: [[ARG_CMP:%.*]] = icmp slt i32 [[ARG_LOAD]], 4
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; CHECK-NEXT: br i1 [[ARG_CMP]], label [[BLOCK6:%.*]], label [[RET_BLOCK:%.*]]
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; CHECK: block6:
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; CHECK-NEXT: call void @print_val(i32 [[ARG_LOAD]])
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; CHECK-NEXT: [[ARG_ADD:%.*]] = add nsw i32 [[ARG_LOAD]], 1
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; CHECK-NEXT: store i32 [[ARG_ADD]], i32* [[TEMP]], align 4
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; CHECK-NEXT: call void @recursiveFunc(i32* nonnull [[TEMP]])
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; CHECK-NEXT: br label [[RET_BLOCK]]
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; CHECK: ret.block:
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; CHECK-NEXT: ret void
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;
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%temp = alloca i32, align 4
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%arg.load = load i32, i32* %arg, align 4
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%arg.cmp = icmp slt i32 %arg.load, 4
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br i1 %arg.cmp, label %block6, label %ret.block
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block6:
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call void @print_val(i32 %arg.load)
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%arg.add = add nsw i32 %arg.load, 1
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store i32 %arg.add, i32* %temp, align 4
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call void @recursiveFunc(i32* nonnull %temp)
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br label %ret.block
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ret.block:
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ret void
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}
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define i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: call void @recursiveFunc(i32* nonnull @Global)
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; CHECK-NEXT: ret i32 0
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;
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call void @recursiveFunc(i32* nonnull @Global)
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ret i32 0
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}
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declare dso_local void @print_val(i32)
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