testcase for PR1097

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33013 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/IndVarsSimplify/2007-01-08-X86-64-Pointer.ll b/test/Transforms/IndVarsSimplify/2007-01-08-X86-64-Pointer.ll
new file mode 100644 (file)
index 0000000..9b6ae82
--- /dev/null
+++ b/test/Transforms/IndVarsSimplify/2007-01-08-X86-64-Pointer.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep '(%rdi,%rax,8)' &&
+; RUN: llvm-as < %s | llc -march=x86-64 | not grep 'addq.*8'
+
+define void %foo(double* %y) {
+entry:
+        br label %bb
+
+bb:
+        %i = phi i64 [ 0, %entry ], [ %k, %bb ]
+        %j = getelementptr double* %y, i64 %i
+        store double 0.000000e+00, double* %j
+        %k = add i64 %i, 1
+        %n = icmp eq i64 %k, 0
+        br bool %n, label %return, label %bb
+
+return:
+        ret void
+}
+