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cfe441c874
In isUseTriviallyOptimizableToLiveOnEntry, pointsToConstantMemory needs to be called on the load's pointer operand, not on the result of the load (which might not even be a pointer). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299823 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
908 B
LLVM
24 lines
908 B
LLVM
; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze -memssa-check-limit=0 < %s 2>&1 | FileCheck %s
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; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>' -verify-memoryssa -disable-output -memssa-check-limit=0 < %s 2>&1 | FileCheck %s
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target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
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target triple = "amdgcn"
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@g4 = external unnamed_addr constant i8, align 1
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define signext i8 @cmp_constant(i8* %q, i8 %v) local_unnamed_addr {
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entry:
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store i8 %v, i8* %q, align 1
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; CHECK: 1 = MemoryDef(liveOnEntry)
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; CHECK-NEXT: store i8 %v, i8* %q, align 1
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%0 = load i8, i8* @g4, align 1
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; Make sure that this load is liveOnEntry just based on the fact that @g4 is
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; constant memory.
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; CHECK: MemoryUse(liveOnEntry)
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; CHECK-NEXT: load i8, i8* @g4, align 1
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ret i8 %0
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}
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