52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=2 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS2
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; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=3 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS3
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; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=4 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS4
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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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%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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; ITERS2: @funcspec.arg.3 = internal constant i32 3
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; ITERS3: @funcspec.arg.5 = internal constant i32 4
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define i32 @main() {
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; ITERS2-LABEL: @main(
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; ITERS2-NEXT: call void @print_val(i32 1)
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; ITERS2-NEXT: call void @print_val(i32 2)
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; ITERS2-NEXT: call void @recursiveFunc(i32* nonnull @funcspec.arg.3)
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; ITERS2-NEXT: ret i32 0
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;
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; ITERS3-LABEL: @main(
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; ITERS3-NEXT: call void @print_val(i32 1)
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; ITERS3-NEXT: call void @print_val(i32 2)
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; ITERS3-NEXT: call void @print_val(i32 3)
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; ITERS3-NEXT: call void @recursiveFunc(i32* nonnull @funcspec.arg.5)
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; ITERS3-NEXT: ret i32 0
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;
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; ITERS4-LABEL: @main(
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; ITERS4-NEXT: call void @print_val(i32 1)
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; ITERS4-NEXT: call void @print_val(i32 2)
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; ITERS4-NEXT: call void @print_val(i32 3)
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; ITERS4-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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