1 ; Without list-burr scheduling we may not see the difference in codegen here.
2 ; Use a subtarget that has post-RA scheduling enabled because the anti-dependency
3 ; breaker requires liveness information to be kept.
4 ; RUN: llc < %s -mtriple=x86_64-- -mcpu=atom -enable-misched=false -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
5 ; RUN: grep "%xmm0" %t | count 14
6 ; RUN: not grep "%xmm1" %t
7 ; RUN: llc < %s -mtriple=x86_64-- -mcpu=atom -post-RA-scheduler -break-anti-dependencies=critical > %t
8 ; RUN: grep "%xmm0" %t | count 7
9 ; RUN: grep "%xmm1" %t | count 7
11 define void @goo(double* %r, double* %p, double* %q) nounwind {
13 %0 = load double, double* %p, align 8
14 %1 = fadd double %0, 1.100000e+00
15 %2 = fmul double %1, 1.200000e+00
16 %3 = fadd double %2, 1.300000e+00
17 %4 = fmul double %3, 1.400000e+00
18 %5 = fadd double %4, 1.500000e+00
19 %6 = fptosi double %5 to i32
20 %7 = load double, double* %r, align 8
21 %8 = fadd double %7, 7.100000e+00
22 %9 = fmul double %8, 7.200000e+00
23 %10 = fadd double %9, 7.300000e+00
24 %11 = fmul double %10, 7.400000e+00
25 %12 = fadd double %11, 7.500000e+00
26 %13 = fptosi double %12 to i32
27 %14 = icmp slt i32 %6, %13
28 br i1 %14, label %bb, label %return
31 store double 9.300000e+00, double* %q, align 8