diff options
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/shrink-compare.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/shrink-compare.ll b/test/CodeGen/X86/shrink-compare.ll index 83793f0..30a5b62 100644 --- a/test/CodeGen/X86/shrink-compare.ll +++ b/test/CodeGen/X86/shrink-compare.ll @@ -66,3 +66,26 @@ lor.end: ; preds = %lor.rhs, %entry %p = phi i1 [ true, %entry ], [ %tobool1, %lor.rhs ] ret i1 %p } + +@x = global { i8, i8, i8, i8, i8, i8, i8, i8 } { i8 1, i8 0, i8 0, i8 0, i8 1, i8 0, i8 0, i8 1 }, align 4 + +; PR16551 +define void @test5(i32 %X) nounwind { +entry: + %bf.load = load i56* bitcast ({ i8, i8, i8, i8, i8, i8, i8, i8 }* @x to i56*), align 4 + %bf.lshr = lshr i56 %bf.load, 32 + %bf.cast = trunc i56 %bf.lshr to i32 + %cmp = icmp ne i32 %bf.cast, 1 + br i1 %cmp, label %if.then, label %if.end + +if.then: + tail call void @bar() nounwind + br label %if.end + +if.end: + ret void + +; CHECK: test5: +; CHECK-NOT: cmpl $1,{{.*}}x+4 +; CHECK: ret +} |