1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/lsr-nonaffine.ll b/test/CodeGen/X86/lsr-nonaffine.ll
new file mode 100644
index 0000000000..b0d30641dd
--- /dev/null
+++ b/test/CodeGen/X86/lsr-nonaffine.ll
@@ -0,0 +1,23 @@
+; RUN: llc -march=x86-64 < %s | FileCheck %s
+
+; LSR should compute the correct starting values for this loop. Note that
+; it's not necessarily LSR's job to compute loop exit expressions; that's
+; indvars' job.
+; CHECK: movl  $12
+; CHECK: movl  $42
+
+define i32 @real_symmetric_eigen(i32 %n) nounwind {
+while.body127:                                    ; preds = %while.cond122
+  br label %while.cond141
+
+while.cond141:                                    ; preds = %while.cond141, %while.body127
+  %0 = phi i32 [ 7, %while.body127 ], [ %indvar.next67, %while.cond141 ] ; <i32> [#uses=3]
+  %indvar.next67 = add i32 %0, 1                  ; <i32> [#uses=1]
+  %t = icmp slt i32 %indvar.next67, %n
+  br i1 %t, label %if.then171, label %while.cond141
+
+if.then171:                                       ; preds = %while.cond141
+  %mul150 = mul i32 %0, %0                 ; <i32> [#uses=1]
+  %add174 = add i32 %mul150, %0                 ; <i32> [#uses=1]
+  ret i32 %add174
+}