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0e8ba1b7ab
Patch by Zhizhou Yang! Differential Revision: https://reviews.llvm.org/D50092 llvm-svn: 342170
21 lines
621 B
LLVM
21 lines
621 B
LLVM
; REQUIRES: asserts
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; RUN: opt -dce -S -debug-counter=dce-transform-skip=1,dce-transform-count=2 < %s | FileCheck %s
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;; Test that, with debug counters on, we will skip the first DCE opportunity, perform next 2,
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;; and ignore all the others left.
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; CHECK-LABEL: @test
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; CHECK-NEXT: %add1 = add i32 1, 2
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; CHECK-NEXT: %sub1 = sub i32 %add1, 1
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; CHECK-NEXT: %add2 = add i32 1, 2
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; CHECK-NEXT: %add3 = add i32 1, 2
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; CHECK-NEXT: ret void
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define void @test() {
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%add1 = add i32 1, 2
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%sub1 = sub i32 %add1, 1
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%add2 = add i32 1, 2
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%sub2 = sub i32 %add2, 1
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%add3 = add i32 1, 2
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%sub3 = sub i32 %add3, 1
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ret void
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}
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