Make sure combiner alias analysis does it's thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30879 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll b/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll
new file mode 100644 (file)
index 0000000..a7e531f
--- /dev/null
+++ b/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -combiner-alias-analysis | grep 'f5'
+
+target endian = big
+target pointersize = 32
+target triple = "powerpc-apple-darwin8.2.0"
+       %struct.Point = type { double, double, double }
+
+implementation   ; Functions:
+
+void %offset(%struct.Point* %pt, double %x, double %y, double %z) {
+entry:
+       %tmp = getelementptr %struct.Point* %pt, int 0, uint 0          ; <double*> [#uses=2]
+       %tmp = load double* %tmp                ; <double> [#uses=1]
+       %tmp2 = add double %tmp, %x             ; <double> [#uses=1]
+       store double %tmp2, double* %tmp
+       %tmp6 = getelementptr %struct.Point* %pt, int 0, uint 1         ; <double*> [#uses=2]
+       %tmp7 = load double* %tmp6              ; <double> [#uses=1]
+       %tmp9 = add double %tmp7, %y            ; <double> [#uses=1]
+       store double %tmp9, double* %tmp6
+       %tmp13 = getelementptr %struct.Point* %pt, int 0, uint 2                ; <double*> [#uses=2]
+       %tmp14 = load double* %tmp13            ; <double> [#uses=1]
+       %tmp16 = add double %tmp14, %z          ; <double> [#uses=1]
+       store double %tmp16, double* %tmp13
+       ret void
+}