[llvm-commits] [llvm] r112987 - /llvm/trunk/test/Transforms/InstCombine/phi.ll

[Owen Anderson]

Author: resistor
Date: Fri Sep  3 13:33:08 2010
New Revision: 112987

URL: http://llvm.org/viewvc/llvm-project?rev=112987&view=rev
Log:
Add a test for PR4413, which was apparently fixed at some point in the past.

Modified:
    llvm/trunk/test/Transforms/InstCombine/phi.ll

Modified: llvm/trunk/test/Transforms/InstCombine/phi.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/phi.ll?rev=112987&r1=112986&r2=112987&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/phi.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/phi.ll Fri Sep  3 13:33:08 2010
@@ -402,3 +402,24 @@
   store i32 %tmp5, i32* %res
   br label %if.end
 }
+
+; PR4413
+declare i32 @ext()
+; CHECK: @test17
+define i32 @test17(i1 %a) {
+entry:
+    br i1 %a, label %bb1, label %bb2
+
+bb1:        ; preds = %entry
+    %0 = tail call i32 @ext()        ; <i32> [#uses=1]
+    br label %bb2
+
+bb2:        ; preds = %bb1, %entry
+    %cond = phi i1 [ true, %bb1 ], [ false, %entry ]        ; <i1> [#uses=1]
+; CHECK-NOT: %val = phi i32 [ %0, %bb1 ], [ 0, %entry ]
+    %val = phi i32 [ %0, %bb1 ], [ 0, %entry ]        ; <i32> [#uses=1]
+    %res = select i1 %cond, i32 %val, i32 0        ; <i32> [#uses=1]
+; CHECK: ret i32 %cond
+    ret i32 %res
+}
+