summaryrefslogtreecommitdiffstats
path: root/llvm/test
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2009-11-26 18:53:33 +0000
committerChris Lattner <sabre@nondot.org>2009-11-26 18:53:33 +0000
commit1bf7ff704a27637fca7f004b735fb0e88429b1fc (patch)
tree033f71aead7906ed162576642caeeb7046bdbded /llvm/test
parentd7cabea8caf56fcce634bb9d35fde3ba61647523 (diff)
downloadbcm5719-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')
-rw-r--r--llvm/test/Analysis/BasicAA/gep-alias.ll17
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
+}
OpenPOWER on IntegriCloud