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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-09-14 15:19:03 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-09-14 15:19:03 +0000 |
| commit | fa5f767a38be412f75e4b1426356263c65291ec6 (patch) | |
| tree | 1b3e3f1f1898b68a7e466b9d503cc9cf61beff0c /llvm/test/CodeGen/AMDGPU/bitreverse.ll | |
| parent | 7246dcc880cb36e47daa120f63585d46f92e2649 (diff) | |
| download | bcm5719-llvm-fa5f767a38be412f75e4b1426356263c65291ec6.tar.gz bcm5719-llvm-fa5f767a38be412f75e4b1426356263c65291ec6.zip | |
AMDGPU: Improve splitting 64-bit bit ops by constants
This addresses a TODO to handle operations besides and. This
also starts eliminating no-op operations with a constant that
can emerge later.
llvm-svn: 281488
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/bitreverse.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/bitreverse.ll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/bitreverse.ll b/llvm/test/CodeGen/AMDGPU/bitreverse.ll index 62e7904f438..0acaceaa6fe 100644 --- a/llvm/test/CodeGen/AMDGPU/bitreverse.ll +++ b/llvm/test/CodeGen/AMDGPU/bitreverse.ll @@ -1,4 +1,4 @@ -; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s declare i16 @llvm.bitreverse.i16(i16) #1 @@ -79,6 +79,7 @@ define void @s_brev_i64(i64 addrspace(1)* noalias %out, i64 %val) #0 { } ; FUNC-LABEL: {{^}}v_brev_i64: +; SI-NOT: v_or_b32_e64 v{{[0-9]+}}, 0, 0 define void @v_brev_i64(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %valptr) #0 { %val = load i64, i64 addrspace(1)* %valptr %brev = call i64 @llvm.bitreverse.i64(i64 %val) #1 |
