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llvm-mirror/test/Transforms/GVN/mixed.ll
Dan Gohman 6aff5b94ff Make BasicAliasAnalysis a normal AliasAnalysis implementation which
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
2010-10-18 18:04:47 +00:00

14 lines
352 B
LLVM

; RUN: opt < %s -basicaa -gvn -S | not grep DEADLOAD
; RUN: opt < %s -basicaa -gvn -S | not grep DEADGEP
define i32 @main(i32** %p) {
block1:
%z1 = load i32** %p
%z2 = getelementptr i32* %z1, i32 0
%z3 = load i32* %z2
%DEADLOAD = load i32** %p
%DEADGEP = getelementptr i32* %DEADLOAD, i32 0
%DEADLOAD2 = load i32* %DEADGEP
ret i32 %DEADLOAD2
}