1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 11:42:57 +01:00
llvm-mirror/test/CodeGen/X86/2011-06-14-PreschedRegalias.ll
Andrew Trick aec8bc23bf lit support for REQUIRES: asserts.
Take #2. Don't piggyback on the existing config.build_mode. Instead,
define a new lit feature for each build feature we need (currently
just "asserts"). Teach both autoconf'd and cmake'd Makefiles to define
this feature within test/lit.site.cfg. This doesn't require any lit
harness changes and should be more robust across build systems.

llvm-svn: 133664
2011-06-22 23:23:19 +00:00

19 lines
459 B
LLVM

; RUN: llc < %s -march=x86-64 -stress-sched | FileCheck %s
; REQUIRES: asserts
; Test interference between physreg aliases during preRAsched.
; mul wants an operand in AL, but call clobbers it.
define i8 @f(i8 %v1, i8 %v2) nounwind {
entry:
; CHECK: callq
; CHECK: movb %{{.*}}, %al
; CHECK: mulb
; CHECK: mulb
%rval = tail call i8 @bar() nounwind
%m1 = mul i8 %v1, %v2
%m2 = mul i8 %m1, %rval
ret i8 %m2
}
declare i8 @bar()