Convert -enable-sched-cycles and -enable-sched-hazard to -disable
flags. They are still not enable in this revision.

Added TargetInstrInfo::isZeroCost() to fix a fundamental problem with
the scheduler's model of operand latency in the selection DAG.

Generalized unit tests to work with sched-cycles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123969 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fpconsts.ll b/test/CodeGen/ARM/fpconsts.ll
index 9e7a8ae..638dde9 100644
--- a/test/CodeGen/ARM/fpconsts.ll
+++ b/test/CodeGen/ARM/fpconsts.ll
@@ -3,7 +3,7 @@
 define float @t1(float %x) nounwind readnone optsize {
 entry:
 ; CHECK: t1:
-; CHECK: vmov.f32 s1, #4.000000e+00
+; CHECK: vmov.f32 s{{.*}}, #4.000000e+00
   %0 = fadd float %x, 4.000000e+00
   ret float %0
 }
@@ -27,7 +27,7 @@
 define float @t4(float %x) nounwind readnone optsize {
 entry:
 ; CHECK: t4:
-; CHECK: vmov.f32 s1, #-2.400000e+01
+; CHECK: vmov.f32 s{{.*}}, #-2.400000e+01
   %0 = fmul float %x, -2.400000e+01
   ret float %0
 }