diff options
Diffstat (limited to 'test/CodeGen/X86/break-anti-dependencies.ll')
| -rw-r--r-- | test/CodeGen/X86/break-anti-dependencies.ll | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/test/CodeGen/X86/break-anti-dependencies.ll b/test/CodeGen/X86/break-anti-dependencies.ll index 93b2043..c942614 100644 --- a/test/CodeGen/X86/break-anti-dependencies.ll +++ b/test/CodeGen/X86/break-anti-dependencies.ll @@ -1,10 +1,12 @@ ; Without list-burr scheduling we may not see the difference in codegen here. -; RUN: llc < %s -march=x86-64 -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 -post-RA-scheduler -break-anti-dependencies=critical > %t -; RUN: grep {%xmm0} %t | count 7 -; RUN: grep {%xmm1} %t | count 7 +; 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 -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: |
