-; RUN: llc < %s -march=x86-64 -disable-post-RA-scheduler=false -break-anti-dependencies=false > %t
-; RUN: grep {%xmm0} %t | count 14
-; RUN: not grep {%xmm1} %t
-; RUN: llc < %s -march=x86-64 -disable-post-RA-scheduler=false -break-anti-dependencies > %t
-; RUN: grep {%xmm0} %t | count 7
-; RUN: grep {%xmm1} %t | count 7
+; Without list-burr scheduling we may not see the difference in codegen here.
+; Use a subtarget that has post-RA scheduling enabled because the anti-dependency
+; breaker requires liveness information to be kept.
+; RUN: llc < %s -march=x86-64 -mcpu=atom -enable-misched=false -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
+; RUN: grep "%xmm0" %t | count 14
+; RUN: not grep "%xmm1" %t
+; RUN: llc < %s -march=x86-64 -mcpu=atom -post-RA-scheduler -break-anti-dependencies=critical > %t
+; RUN: grep "%xmm0" %t | count 7
+; RUN: grep "%xmm1" %t | count 7
define void @goo(double* %r, double* %p, double* %q) nounwind {
entry:
- %0 = load double* %p, align 8
+ %0 = load double, double* %p, align 8
%1 = fadd double %0, 1.100000e+00
%2 = fmul double %1, 1.200000e+00
%3 = fadd double %2, 1.300000e+00
%4 = fmul double %3, 1.400000e+00
%5 = fadd double %4, 1.500000e+00
%6 = fptosi double %5 to i32
- %7 = load double* %r, align 8
+ %7 = load double, double* %r, align 8
%8 = fadd double %7, 7.100000e+00
%9 = fmul double %8, 7.200000e+00
%10 = fadd double %9, 7.300000e+00