diff options
Diffstat (limited to 'test/Transforms/SimplifyCFG/basictest.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/basictest.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/basictest.ll b/test/Transforms/SimplifyCFG/basictest.ll index 9c4edd68b8..d6958a9c11 100644 --- a/test/Transforms/SimplifyCFG/basictest.ll +++ b/test/Transforms/SimplifyCFG/basictest.ll @@ -41,3 +41,33 @@ return: ; preds = %entry ; CHECK-LABEL: @test5( ; CHECK-NEXT: ret void } + + +; PR14893 +define i8 @test6f() { +; CHECK-LABEL: @test6f +; CHECK: alloca i8, align 1 +; CHECK-NEXT: call i8 @test6g +; CHECK-NEXT: icmp eq i8 %tmp, 0 +; CHECK-NEXT: load i8* %r, align 1{{$}} + +bb0: + %r = alloca i8, align 1 + %tmp = call i8 @test6g(i8* %r) + %tmp1 = icmp eq i8 %tmp, 0 + br i1 %tmp1, label %bb2, label %bb1 +bb1: + %tmp3 = load i8* %r, align 1, !range !2, !tbaa !1 + %tmp4 = icmp eq i8 %tmp3, 1 + br i1 %tmp4, label %bb2, label %bb3 +bb2: + br label %bb3 +bb3: + %tmp6 = phi i8 [ 0, %bb2 ], [ 1, %bb1 ] + ret i8 %tmp6 +} +declare i8 @test6g(i8*) + +!0 = metadata !{metadata !1, metadata !1, i64 0} +!1 = metadata !{metadata !"foo"} +!2 = metadata !{i8 0, i8 2} |