[llvm-commits] [llvm] r69866 - /llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll

[Owen Anderson]

Author: resistor
Date: Wed Apr 22 23:26:42 2009
New Revision: 69866

URL: http://llvm.org/viewvc/llvm-project?rev=69866&view=rev
Log:
Testcase for PR2537.

Added:
    llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll

Added: llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll?rev=69866&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll (added)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/pr2537.ll Wed Apr 22 23:26:42 2009
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -loop-reduce -disable-output
+; PR 2537
+
+define void @a() {
+entry:
+        br label %dobody
+
+dobody:         ; preds = %dobody, %entry
+        %y.0 = phi i128 [ 0, %entry ], [ %add, %dobody ]
+        %x.0 = phi i128 [ 0, %entry ], [ %add2, %dobody ]
+        %add = add i128 %y.0, shl (i128 1, i128 64)
+        %add2 = add i128 %x.0, shl (i128 1, i128 48)
+        call void @b( i128 %add )
+        %cmp = icmp ult i128 %add2, shl (i128 1, i128 64)
+        br i1 %cmp, label %dobody, label %afterdo
+
+afterdo:                ; preds = %dobody
+        ret void
+}
+
+declare void @b(i128 %add)
\ No newline at end of file