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https://github.com/c64scene-ar/llvm-6502.git
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c1be92f3bb
does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
441 B
LLVM
21 lines
441 B
LLVM
; RUN: opt %s -basicaa -gvn -S | FileCheck %s
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%t = type { i32 }
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declare void @test1f(i8*)
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define void @test1(%t* noalias %stuff ) {
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%p = getelementptr inbounds %t* %stuff, i32 0, i32 0
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%before = load i32* %p
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call void @test1f(i8* null)
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%after = load i32* %p ; <--- This should be a dead load
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%sum = add i32 %before, %after
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store i32 %sum, i32* %p
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ret void
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; CHECK: load
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; CHECK-NOT: load
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; CHECK: ret void
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}
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