[PowerPC] Replace the Post RA List Scheduler with the Machine Scheduler
We want to run the Machine Scheduler instead of the List Scheduler after RA.
Checked with a performance run on a Power 9 machine with SPEC 2006 and while
some benchmarks improved and others degraded the geomean was slightly improved
with the Machine Scheduler.
Differential Revision: https://reviews.llvm.org/D45265
llvm-svn: 336295
diff --git a/llvm/test/CodeGen/PowerPC/fsub-fneg.ll b/llvm/test/CodeGen/PowerPC/fsub-fneg.ll
index 83f56f4..57b82a3 100644
--- a/llvm/test/CodeGen/PowerPC/fsub-fneg.ll
+++ b/llvm/test/CodeGen/PowerPC/fsub-fneg.ll
@@ -9,8 +9,8 @@
; CHECK-LABEL: neg_ext_op1_extra_use:
; CHECK: # %bb.0:
; CHECK-NEXT: xsadddp 0, 2, 1
-; CHECK-NEXT: fneg 13, 1
-; CHECK-NEXT: xsdivdp 1, 13, 0
+; CHECK-NEXT: fneg 1, 1
+; CHECK-NEXT: xsdivdp 1, 1, 0
; CHECK-NEXT: blr
%t1 = fsub float -0.0, %x
%t2 = fpext float %t1 to double