Revert "[MachineCopyPropagation] Extend pass to do COPY source forwarding" round 2

This reverts commit r311135.

sanitizer-x86_64-linux-android buildbot is timing out with just this
patch applied.

llvm-svn: 311142

1 files changed, 8 insertions, 8 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/ret.ll b/llvm/test/CodeGen/AMDGPU/ret.ll
index 2d673a9b0cd..831c71dff79 100644
--- a/llvm/test/CodeGen/AMDGPU/ret.ll
+++ b/llvm/test/CodeGen/AMDGPU/ret.ll
@@ -2,10 +2,10 @@
 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 
 ; GCN-LABEL: {{^}}vgpr:
-; GCN-DAG: v_mov_b32_e32 v1, v0
-; GCN-DAG: exp mrt0 v0, v0, v0, v0 done vm
+; GCN: v_mov_b32_e32 v1, v0
+; GCN-DAG: v_add_f32_e32 v0, 1.0, v1
+; GCN-DAG: exp mrt0 v1, v1, v1, v1 done vm
 ; GCN: s_waitcnt expcnt(0)
-; GCN: v_add_f32_e32 v0, 1.0, v0
 ; GCN-NOT: s_endpgm
 define amdgpu_vs { float, float } @vgpr([9 x <16 x i8>] addrspace(2)* byval %arg, i32 inreg %arg1, i32 inreg %arg2, float %arg3) #0 {
 bb:
@@ -204,13 +204,13 @@ bb:
 }
 
 ; GCN-LABEL: {{^}}both:
-; GCN-DAG: exp mrt0 v0, v0, v0, v0 done vm
-; GCN-DAG: v_mov_b32_e32 v1, v0
+; GCN: v_mov_b32_e32 v1, v0
+; GCN-DAG: exp mrt0 v1, v1, v1, v1 done vm
+; GCN-DAG: v_add_f32_e32 v0, 1.0, v1
+; GCN-DAG: s_add_i32 s0, s3, 2
 ; GCN-DAG: s_mov_b32 s1, s2
+; GCN: s_mov_b32 s2, s3
 ; GCN: s_waitcnt expcnt(0)
-; GCN: v_add_f32_e32 v0, 1.0, v0
-; GCN-DAG: s_add_i32 s0, s3, 2
-; GCN-DAG: s_mov_b32 s2, s3
 ; GCN-NOT: s_endpgm
 define amdgpu_vs { float, i32, float, i32, i32 } @both([9 x <16 x i8>] addrspace(2)* byval %arg, i32 inreg %arg1, i32 inreg %arg2, float %arg3) #0 {
 bb: