0f0cb92cb2
This reverts commit 877a9f9abec61f06e39f1cd872e37b828139c2d1. It depends on the parent revision 42c2dc401742266da3e0251b6c1ca491f4779963 which needs to be reverted as it broke some buildbots, so reverting both.
60 lines
2.4 KiB
LLVM
60 lines
2.4 KiB
LLVM
; RUN: opt -passes=function-specialization,inline,instcombine -force-function-specialization -func-specialization-max-iters=2 -S < %s | FileCheck %s --check-prefix=ITERS2
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; RUN: opt -passes=function-specialization,inline,instcombine -force-function-specialization -func-specialization-max-iters=3 -S < %s | FileCheck %s --check-prefix=ITERS3
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; RUN: opt -passes=function-specialization,inline,instcombine -force-function-specialization -func-specialization-max-iters=4 -S < %s | FileCheck %s --check-prefix=ITERS4
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@low = internal constant i32 0, align 4
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@high = internal constant i32 6, align 4
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define internal void @recursiveFunc(ptr nocapture readonly %lo, i32 %step, ptr nocapture readonly %hi) {
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%lo.temp = alloca i32, align 4
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%hi.temp = alloca i32, align 4
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%lo.load = load i32, ptr %lo, align 4
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%hi.load = load i32, ptr %hi, align 4
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%cmp = icmp ne i32 %lo.load, %hi.load
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br i1 %cmp, label %block6, label %ret.block
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block6:
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call void @print_val(i32 %lo.load, i32 %hi.load)
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%add = add nsw i32 %lo.load, %step
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%sub = sub nsw i32 %hi.load, %step
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store i32 %add, ptr %lo.temp, align 4
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store i32 %sub, ptr %hi.temp, align 4
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call void @recursiveFunc(ptr nonnull %lo.temp, i32 %step, ptr nonnull %hi.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.4 = internal constant i32 2
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; ITERS2: @funcspec.arg.5 = internal constant i32 4
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; ITERS3: @funcspec.arg.7 = internal constant i32 3
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; ITERS3: @funcspec.arg.8 = internal constant i32 3
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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 0, i32 6)
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; ITERS2-NEXT: call void @print_val(i32 1, i32 5)
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; ITERS2-NEXT: call void @recursiveFunc(ptr nonnull @funcspec.arg.4, i32 1, ptr nonnull @funcspec.arg.5)
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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 0, i32 6)
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; ITERS3-NEXT: call void @print_val(i32 1, i32 5)
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; ITERS3-NEXT: call void @print_val(i32 2, i32 4)
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; ITERS3-NEXT: call void @recursiveFunc(ptr nonnull @funcspec.arg.7, i32 1, ptr nonnull @funcspec.arg.8)
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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 0, i32 6)
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; ITERS4-NEXT: call void @print_val(i32 1, i32 5)
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; ITERS4-NEXT: call void @print_val(i32 2, i32 4)
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; ITERS4-NEXT: ret i32 0
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;
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call void @recursiveFunc(ptr nonnull @low, i32 1, ptr nonnull @high)
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ret i32 0
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}
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declare dso_local void @print_val(i32, i32)
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