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2c77a625b7
Under certain (evidently rare) circumstances, this code used to convert OR(a, AND(x, y)) into OR(a, x). This was incorrect. While there, I've added a comment to the code immediately above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185201 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.5 KiB
LLVM
45 lines
1.5 KiB
LLVM
; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-bgq-linux"
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define void @test() align 2 {
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entry:
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br i1 undef, label %codeRepl1, label %codeRepl31
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codeRepl1: ; preds = %entry
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br i1 undef, label %codeRepl4, label %codeRepl29
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codeRepl4: ; preds = %codeRepl1
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br i1 undef, label %codeRepl12, label %codeRepl17
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codeRepl12: ; preds = %codeRepl4
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unreachable
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codeRepl17: ; preds = %codeRepl4
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%0 = load i8* undef, align 2
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%1 = and i8 %0, 1
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%not.tobool.i.i.i = icmp eq i8 %1, 0
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%2 = select i1 %not.tobool.i.i.i, i16 0, i16 256
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%3 = load i8* undef, align 1
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%4 = and i8 %3, 1
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%not.tobool.i.1.i.i = icmp eq i8 %4, 0
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%rvml38.sroa.1.1.insert.ext = select i1 %not.tobool.i.1.i.i, i16 0, i16 1
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%rvml38.sroa.0.0.insert.insert = or i16 %rvml38.sroa.1.1.insert.ext, %2
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store i16 %rvml38.sroa.0.0.insert.insert, i16* undef, align 2
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unreachable
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; CHECK: @test
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; CHECK-DAG: slwi [[R1:[0-9]+]],
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; CHECK-DAG: rlwinm [[R2:[0-9]+]],
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; CHECK-DAG: srawi [[R3:[0-9]+]], [[R1]]
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; CHECK-DAG: rlwinm [[R4:[0-9]+]], [[R3]], 0, 23, 23
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; CHECK: rlwimi [[R4]], [[R2]], 0,
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codeRepl29: ; preds = %codeRepl1
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unreachable
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codeRepl31: ; preds = %entry
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ret void
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}
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