AMDGPU: Use stricter regexes for add instructions
Match the entire _co as one optional piece rather than
a set of characters to match multiple times.
llvm-svn: 319275
diff --git a/llvm/test/CodeGen/AMDGPU/pack.v2f16.ll b/llvm/test/CodeGen/AMDGPU/pack.v2f16.ll
index 82875f8..0be7d87 100644
--- a/llvm/test/CodeGen/AMDGPU/pack.v2f16.ll
+++ b/llvm/test/CodeGen/AMDGPU/pack.v2f16.ll
@@ -87,7 +87,7 @@
; GFX9: v_and_b32_e32 [[ELT0:v[0-9]+]], 0xffff, [[VAL0]]
; GFX9: v_lshl_or_b32 [[PACKED:v[0-9]+]], [[VAL1]], 16, [[ELT0]]
-; GFX9: v_add_{{[_coiu]*}}32_e32 v{{[0-9]+}}, vcc, 9, [[PACKED]]
+; GFX9: v_add{{(_co)?}}_{{i|u}}32_e32 v{{[0-9]+}}, vcc, 9, [[PACKED]]
define amdgpu_kernel void @v_pack_v2f16_user(i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64