diff options
| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-11-07 16:47:20 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-11-07 16:47:20 +0000 |
| commit | 857efb0880dbfbb0f52f401f18f9c3717f6cc276 (patch) | |
| tree | 92b07cd2cc0fa9c8eadf213431fe1fe59e40a68f /llvm/test/CodeGen | |
| parent | 314cbf7a3bc173921756d540e84802f585bbf1de (diff) | |
| download | bcm5719-llvm-857efb0880dbfbb0f52f401f18f9c3717f6cc276.tar.gz bcm5719-llvm-857efb0880dbfbb0f52f401f18f9c3717f6cc276.zip | |
Add -O0 support for @llvm.invariant.group.barrier by discarding it if it gets to ISel.
Differential Revision: https://reviews.llvm.org/D26292
llvm-svn: 286119
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/Generic/intrinsics.ll | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Generic/intrinsics.ll b/llvm/test/CodeGen/Generic/intrinsics.ll index 29bc499adfc..4d04786a58d 100644 --- a/llvm/test/CodeGen/Generic/intrinsics.ll +++ b/llvm/test/CodeGen/Generic/intrinsics.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s +; RUN: llc -O0 < %s ;; SQRT declare float @llvm.sqrt.f32(float) @@ -38,3 +39,9 @@ define double @test_cos(float %F) { ret double %I } +declare i8* @llvm.invariant.group.barrier(i8*) + +define i8* @barrier(i8* %p) { + %q = call i8* @llvm.invariant.group.barrier(i8* %p) + ret i8* %q +} |
