| ; RUN: llc < %s -mtriple=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: movl %{{.*}}, %eax | |
| ; 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() |