[TwoAddressInstructionPass] When looking for a 3 addr conversion after commuting...

[oota-llvm.git] / test / CodeGen / X86 / break-anti-dependencies.ll

diff --git a/test/CodeGen/X86/break-anti-dependencies.ll b/test/CodeGen/X86/break-anti-dependencies.ll
index 6b245c103e204d41b10d0accc520092ea6c6a155..c54ac108819ea3296fbafe9d4bb7df73de956fd5 100644 (file)
--- a/test/CodeGen/X86/break-anti-dependencies.ll
+++ b/test/CodeGen/X86/break-anti-dependencies.ll
@@ -1,20 +1,23 @@
-; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=false > %t
-; RUN:   grep {%xmm0} %t | count 14
-; RUN:   not grep {%xmm1} %t
-; RUN: llc < %s -march=x86-64 -post-RA-scheduler -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