[AMDGPU] SiFixSGPRCopies should not modify non-divergent PHI

Differential revision: https://reviews.llvm.org/D40556

llvm-svn: 319534
diff --git a/llvm/test/CodeGen/AMDGPU/uniform-loop-inside-nonuniform.ll b/llvm/test/CodeGen/AMDGPU/uniform-loop-inside-nonuniform.ll
index 82283f3..1bbda66 100644
--- a/llvm/test/CodeGen/AMDGPU/uniform-loop-inside-nonuniform.ll
+++ b/llvm/test/CodeGen/AMDGPU/uniform-loop-inside-nonuniform.ll
@@ -6,11 +6,10 @@
 ; CHECK: v_cmp_ne_u32_e32 vcc, 0
 ; CHECK: s_and_saveexec_b64
 ; CHECK-NEXT: ; mask branch
-; CHECK-NEXT: s_cbranch_execz BB{{[0-9]+_[0-9]+}}
 ; CHECK-NEXT: BB{{[0-9]+_[0-9]+}}: ; %loop_body.preheader
 
 ; CHECK: [[LOOP_BODY_LABEL:BB[0-9]+_[0-9]+]]:
-; CHECK: s_cbranch_vccz [[LOOP_BODY_LABEL]]
+; CHECK: s_cbranch_scc0 [[LOOP_BODY_LABEL]]
 
 ; CHECK: s_endpgm
 define amdgpu_ps void @test1(<8 x i32> inreg %rsrc, <2 x i32> %addr.base, i32 %y, i32 %p) {
@@ -35,7 +34,6 @@
 ; CHECK-LABEL: {{^}}test2:
 ; CHECK: s_and_saveexec_b64
 ; CHECK-NEXT: ; mask branch
-; CHECK-NEXT: s_cbranch_execz
 define amdgpu_kernel void @test2(i32 addrspace(1)* %out, i32 %a, i32 %b) {
 main_body:
   %tid = call i32 @llvm.amdgcn.workitem.id.x() #1