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llvm-project/llvm/test/Transforms/GVN/rle-nonlocal.ll

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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
2010-10-19 02:04:47 +08:00
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
Add basic support for performing whole-function RLE. Note: This has not yet been thoroughly tested. Use at your own risk. llvm-svn: 40489
2007-07-26 03:57:03 +08:00
define i32 @main(i32** %p) {
block1:
br i1 true, label %block2, label %block3
block2:
%a = load i32** %p
br label %block4
block3:
%b = load i32** %p
br label %block4
block4:
Avoid creating redundant PHIs in SSAUpdater::GetValueInMiddleOfBlock. This was already being done in SSAUpdater::GetValueAtEndOfBlock so I've just changed SSAUpdater to check for existing PHIs in both places. llvm-svn: 94690
2010-01-28 06:01:02 +08:00
; CHECK-NOT: %existingPHI = phi
; CHECK: %DEAD = phi
%existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ]
Add basic support for performing whole-function RLE. Note: This has not yet been thoroughly tested. Use at your own risk. llvm-svn: 40489
2007-07-26 03:57:03 +08:00
%DEAD = load i32** %p
%c = load i32* %DEAD
Avoid creating redundant PHIs in SSAUpdater::GetValueInMiddleOfBlock. This was already being done in SSAUpdater::GetValueAtEndOfBlock so I've just changed SSAUpdater to check for existing PHIs in both places. llvm-svn: 94690
2010-01-28 06:01:02 +08:00
%d = load i32* %existingPHI
%e = add i32 %c, %d
ret i32 %e
Convert tests using "| wc -l | grep ..." to use the count script. llvm-svn: 41097
2007-08-15 21:36:28 +08:00
}