Debug Info Testing: updated to use NULL instead of "i32 0" in a few fields.

[oota-llvm.git] / test / Transforms / SimplifyCFG / PhiBlockMerge.ll

diff --git a/test/Transforms/SimplifyCFG/PhiBlockMerge.ll b/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
index 1219dfe0749168ab9fd7a581ad4dc491c21c345c..36b52f52d490e5a283034d89872ac7ceb4f5097a 100644 (file)
--- a/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
+++ b/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
@@ -1,24 +1,26 @@
 ; Test merging of blocks that only have PHI nodes in them
 ;
-; RUN: opt < %s -simplifycfg -S | not grep N:
+; RUN: opt < %s -simplifycfg -S | FileCheck %s
 ;
 
 define i32 @test(i1 %a, i1 %b) {
-; <label>:0
+; CHECK: br i1 %a
         br i1 %a, label %M, label %O
+; CHECK: O:
 O:              ; preds = %0
+; CHECK: select i1 %b, i32 0, i32 1
+; CHECK-NOT: phi
         br i1 %b, label %N, label %Q
 Q:              ; preds = %O
-        call void @foo()
         br label %N
 N:              ; preds = %Q, %O
         ; This block should be foldable into M
         %Wp = phi i32 [ 0, %O ], [ 1, %Q ]              ; <i32> [#uses=1]
         br label %M
 M:              ; preds = %N, %0
+; CHECK: %W = phi i32
         %W = phi i32 [ %Wp, %N ], [ 2, %0 ]             ; <i32> [#uses=1]
         %R = add i32 %W, 1              ; <i32> [#uses=1]
         ret i32 %R
 }
 
-declare void @foo()