diff options
| author | Nirav Dave <niravd@google.com> | 2019-03-29 17:35:56 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2019-03-29 17:35:56 +0000 |
| commit | fe59e14031a948f0711d0e7042417670a14e2db2 (patch) | |
| tree | f402397caf48c781e7f41b92e57a0e3443966e23 /llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll | |
| parent | ae1cc995e358ef3635bf1f3c3f4f5c0f15c40f98 (diff) | |
| download | bcm5719-llvm-fe59e14031a948f0711d0e7042417670a14e2db2.tar.gz bcm5719-llvm-fe59e14031a948f0711d0e7042417670a14e2db2.zip | |
[DAGCombine] Prune unnused nodes.
Summary:
Nodes that have no uses are eventually pruned when they are selected
from the worklist. Record nodes newly added to the worklist or DAG and
perform pruning after every combine attempt.
Reviewers: efriedma, RKSimon, craig.topper, spatel, jyknight
Reviewed By: jyknight
Subscribers: jdoerfert, jyknight, nemanjai, jvesely, nhaehnle, javed.absar, hiraditya, jsji, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D58070
llvm-svn: 357283
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll b/llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll index f3faa39c64e..2f93efec69b 100644 --- a/llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll +++ b/llvm/test/CodeGen/AMDGPU/shift-i64-opts.ll @@ -54,9 +54,9 @@ define amdgpu_kernel void @lshr_i64_32(i64 addrspace(1)* %out, i64 addrspace(1)* ; after 64-bit shift is split. ; GCN-LABEL: {{^}}lshr_and_i64_35: -; GCN: buffer_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}} -; GCN: v_bfe_u32 v[[BFE:[0-9]+]], v[[HI]], 8, 23 ; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}} +; GCN: buffer_load_dword v[[LO:[0-9]+]] +; GCN: v_bfe_u32 v[[BFE:[0-9]+]], v[[LO]], 8, 23 ; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}} define amdgpu_kernel void @lshr_and_i64_35(i64 addrspace(1)* %out, i64 addrspace(1)* %in) { %val = load i64, i64 addrspace(1)* %in |
