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157d1c4576
I accidentally replaced `mayBeOverridden` with `!isInterposable`. Remove the negation and add a test case that would've caught this. Many thanks to Håkan Hjort for spotting this! llvm-svn: 266551
61 lines
1.7 KiB
LLVM
61 lines
1.7 KiB
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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@f.a = private unnamed_addr constant [1 x i32] [i32 12], align 4
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@f.b = private unnamed_addr constant [1 x i32] [i32 55], align 4
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@f.c = linkonce unnamed_addr alias [1 x i32], [1 x i32]* @f.b
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define signext i32 @test1(i32 signext %x) #0 {
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entry:
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%idxprom = sext i32 %x to i64
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%arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* @f.a, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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; CHECK-LABEL: @test1
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; CHECK: ret i32 12
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}
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declare void @foo(i64* %p)
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define void @test2(i32 signext %x, i64 %v) #0 {
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entry:
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%p = alloca i64
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%idxprom = sext i32 %x to i64
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%arrayidx = getelementptr inbounds i64, i64* %p, i64 %idxprom
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store i64 %v, i64* %arrayidx
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call void @foo(i64* %p)
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ret void
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; CHECK-LABEL: @test2
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; CHECK: %p = alloca i64
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; CHECK: store i64 %v, i64* %p
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; CHECK: ret void
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}
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define signext i32 @test3(i32 signext %x, i1 %y) #0 {
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entry:
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%idxprom = sext i32 %x to i64
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%p = select i1 %y, [1 x i32]* @f.a, [1 x i32]* @f.b
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%arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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; CHECK-LABEL: @test3
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; CHECK: getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 0
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}
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define signext i32 @test4(i32 signext %x, i1 %y) #0 {
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entry:
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%idxprom = sext i32 %x to i64
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%arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* @f.c, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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; CHECK-LABEL: @test4
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; CHECK: getelementptr inbounds [1 x i32], [1 x i32]* @f.c, i64 0, i64 %idxprom
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}
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attributes #0 = { nounwind readnone }
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