mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
29 lines
622 B
LLVM
29 lines
622 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s
|
|
|
|
; Common "xorb al, al" instruction in the two successor blocks should be
|
|
; moved to the entry block above the test + je.
|
|
|
|
; rdar://9145558
|
|
|
|
define zeroext i1 @t(i32 %c) nounwind ssp {
|
|
entry:
|
|
; CHECK: t:
|
|
; CHECK: xorb %al, %al
|
|
; CHECK: test
|
|
; CHECK: je
|
|
%tobool = icmp eq i32 %c, 0
|
|
br i1 %tobool, label %return, label %if.then
|
|
|
|
if.then:
|
|
; CHECK: callq
|
|
%call = tail call zeroext i1 (...)* @foo() nounwind
|
|
br label %return
|
|
|
|
return:
|
|
; CHECK: ret
|
|
%retval.0 = phi i1 [ %call, %if.then ], [ false, %entry ]
|
|
ret i1 %retval.0
|
|
}
|
|
|
|
declare zeroext i1 @foo(...)
|