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6aff5b94ff
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. llvm-svn: 116720
20 lines
314 B
LLVM
20 lines
314 B
LLVM
; RUN: opt < %s -basicaa -gvn -S | grep {DEAD = phi i32 }
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define i32 @main(i32* %p) {
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block1:
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%z = load i32* %p
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br i1 true, label %block2, label %block3
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block2:
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br label %block4
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block3:
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%b = bitcast i32 0 to i32
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store i32 %b, i32* %p
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br label %block4
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block4:
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%DEAD = load i32* %p
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ret i32 %DEAD
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}
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