mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 21:32:10 +00:00
8bef744518
comparison is in a different basic block from the branch. In such cases, the comparison's operands may not have initialized virtual registers available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111709 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
665 B
LLVM
30 lines
665 B
LLVM
; RUN: llc -O0 -march=x86-64 -asm-verbose=false < %s | FileCheck %s
|
|
; rdar://8337108
|
|
|
|
; Fast-isel shouldn't try to look through the compare because it's in a
|
|
; different basic block, so its operands aren't necessarily exported
|
|
; for cross-block usage.
|
|
|
|
; CHECK: movb %al, 7(%rsp)
|
|
; CHECK: callq {{_?}}bar
|
|
; CHECK: movb 7(%rsp), %al
|
|
|
|
declare void @bar()
|
|
|
|
define void @foo(i32 %a, i32 %b) nounwind {
|
|
entry:
|
|
%q = add i32 %a, 7
|
|
%r = add i32 %b, 9
|
|
%t = icmp ult i32 %q, %r
|
|
invoke void @bar() to label %next unwind label %unw
|
|
next:
|
|
br i1 %t, label %true, label %return
|
|
true:
|
|
call void @bar()
|
|
br label %return
|
|
return:
|
|
ret void
|
|
unw:
|
|
unreachable
|
|
}
|