| Andrew Trick | 3013b6a | 2011-06-15 17:16:12 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=x86-64 -stress-sched | FileCheck %s |
| 2 | ; Test interference between physreg aliases during preRAsched. | ||||
| 3 | ; mul wants an operand in AL, but call clobbers it. | ||||
| 4 | |||||
| 5 | define i8 @f(i8 %v1, i8 %v2) nounwind { | ||||
| 6 | entry: | ||||
| 7 | ; CHECK: callq | ||||
| 8 | ; CHECK: movb %{{.*}}, %al | ||||
| 9 | ; CHECK: mulb | ||||
| 10 | ; CHECK: mulb | ||||
| 11 | %rval = tail call i8 @bar() nounwind | ||||
| 12 | %m1 = mul i8 %v1, %v2 | ||||
| 13 | %m2 = mul i8 %m1, %rval | ||||
| 14 | ret i8 %m2 | ||||
| 15 | } | ||||
| 16 | |||||
| 17 | declare i8 @bar() | ||||