diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/early-ifcvt.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/early-ifcvt.ll b/test/CodeGen/X86/early-ifcvt.ll index ce1fe04..7883ffa 100644 --- a/test/CodeGen/X86/early-ifcvt.ll +++ b/test/CodeGen/X86/early-ifcvt.ll @@ -37,3 +37,33 @@ do.end: %sub = sub nsw i32 %max.1, %min.1 ret i32 %sub } + +; CHECK: multipreds +; Deal with alternative tail predecessors +; CHECK-NOT: LBB +; CHECK: cmov +; CHECK-NOT: LBB +; CHECK: cmov +; CHECK-NOT: LBB +; CHECK: fprintf + +define void @multipreds(i32 %sw) nounwind uwtable ssp { +entry: + switch i32 %sw, label %if.then29 [ + i32 0, label %if.then37 + i32 127, label %if.end41 + ] + +if.then29: + br label %if.end41 + +if.then37: + br label %if.end41 + +if.end41: + %exit_status.0 = phi i32 [ 2, %if.then29 ], [ 0, %if.then37 ], [ 66, %entry ] + call void (...)* @fprintf(i32 %exit_status.0) nounwind + unreachable +} + +declare void @fprintf(...) nounwind |