Re-apply r124518 with fix. Watch out for invalidated iterator.

[oota-llvm.git] / test / Transforms / JumpThreading / thread-loads.ll

diff --git a/test/Transforms/JumpThreading/thread-loads.ll b/test/Transforms/JumpThreading/thread-loads.ll
index 96ba701046d8222c73140ccce1b225781c45f5c1..cce23ea319c86b316a15bae8f98e5c59129e58c3 100644 (file)
--- a/test/Transforms/JumpThreading/thread-loads.ll
+++ b/test/Transforms/JumpThreading/thread-loads.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -jump-threading -simplifycfg -S | grep {ret i32 1}
+; RUN: opt < %s -jump-threading -S | FileCheck %s
 ; rdar://6402033
 
 ; Test that we can thread through the block with the partially redundant load (%2).
@@ -6,12 +6,16 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3
 target triple = "i386-apple-darwin7"
 
 define i32 @foo(i32* %P) nounwind {
+; CHECK: foo
 entry:
        %0 = tail call i32 (...)* @f1() nounwind                ; <i32> [#uses=1]
        %1 = icmp eq i32 %0, 0          ; <i1> [#uses=1]
        br i1 %1, label %bb1, label %bb
 
 bb:            ; preds = %entry
+; CHECK: bb1.thread:
+; CHECK: store
+; CHECK: br label %bb3
        store i32 42, i32* %P, align 4
        br label %bb1
 
@@ -26,6 +30,9 @@ bb2:          ; preds = %bb1
        ret i32 %res.0
 
 bb3:           ; preds = %bb1
+; CHECK: bb3:
+; CHECK: %res.01 = phi i32 [ 1, %bb1.thread ], [ 0, %bb1 ]
+; CHECK: ret i32 %res.01
        ret i32 %res.0
 }