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| author | Chris Lattner <sabre@nondot.org> | 2009-11-26 18:53:33 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-11-26 18:53:33 +0000 |
| commit | 1bf7ff704a27637fca7f004b735fb0e88429b1fc (patch) | |
| tree | 033f71aead7906ed162576642caeeb7046bdbded /llvm/test/Analysis/BasicAA/gep-alias.ll | |
| parent | d7cabea8caf56fcce634bb9d35fde3ba61647523 (diff) | |
| download | bcm5719-llvm-1bf7ff704a27637fca7f004b735fb0e88429b1fc.tar.gz bcm5719-llvm-1bf7ff704a27637fca7f004b735fb0e88429b1fc.zip | |
Implement PR1143 (at -m64) by making basicaa look through extensions. We
previously already handled it at -m32 because there were no i32->i64
extensions for addressing.
llvm-svn: 89959
Diffstat (limited to 'llvm/test/Analysis/BasicAA/gep-alias.ll')
| -rw-r--r-- | llvm/test/Analysis/BasicAA/gep-alias.ll | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/test/Analysis/BasicAA/gep-alias.ll b/llvm/test/Analysis/BasicAA/gep-alias.ll index 68722fbfd0e..0eb8bb00b40 100644 --- a/llvm/test/Analysis/BasicAA/gep-alias.ll +++ b/llvm/test/Analysis/BasicAA/gep-alias.ll @@ -115,4 +115,19 @@ define i32 @test7(i32* %p, i64 %i) { ; CHECK: ret i32 0 } - +; P[zext(i)] != p[zext(i+1)] +; PR1143 +define i32 @test8(i32* %p, i32 %i) { + %i1 = zext i32 %i to i64 + %pi = getelementptr i32* %p, i64 %i1 + %i.next = add i32 %i, 1 + %i.next2 = zext i32 %i.next to i64 + %pi.next = getelementptr i32* %p, i64 %i.next2 + %x = load i32* %pi + store i32 42, i32* %pi.next + %y = load i32* %pi + %z = sub i32 %x, %y + ret i32 %z +; CHECK: @test8 +; CHECK: ret i32 0 +} |
