[llvm] r293028 - AMDGPU: Check nsz instead of unsafe math

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Wed Jan 25 00:27:02 2017
New Revision: 293028

URL: http://llvm.org/viewvc/llvm-project?rev=293028&view=rev
Log:
AMDGPU: Check nsz instead of unsafe math

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.h
    llvm/trunk/test/CodeGen/AMDGPU/fneg-combines.ll
    llvm/trunk/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.h?rev=293028&r1=293027&r2=293028&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUISelLowering.h Wed Jan 25 00:27:02 2017
@@ -120,7 +120,7 @@ public:
   AMDGPUTargetLowering(const TargetMachine &TM, const AMDGPUSubtarget &STI);
 
   bool mayIgnoreSignedZero(SDValue Op) const {
-    if (getTargetMachine().Options.UnsafeFPMath) // FIXME: nsz only
+    if (getTargetMachine().Options.NoSignedZerosFPMath)
       return true;
 
     if (const auto *BO = dyn_cast<BinaryWithFlagsSDNode>(Op))

Modified: llvm/trunk/test/CodeGen/AMDGPU/fneg-combines.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/fneg-combines.ll?rev=293028&r1=293027&r2=293028&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/fneg-combines.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/fneg-combines.ll Wed Jan 25 00:27:02 2017
@@ -1,5 +1,5 @@
 ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-SAFE -check-prefix=SI -check-prefix=FUNC %s
-; RUN: llc -enable-unsafe-fp-math -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NSZ -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -enable-no-signed-zeros-fp-math -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NSZ -check-prefix=SI -check-prefix=FUNC %s
 
 ; --------------------------------------------------------------------------------
 ; fadd tests

Modified: llvm/trunk/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll?rev=293028&r1=293027&r2=293028&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll Wed Jan 25 00:27:02 2017
@@ -1,5 +1,5 @@
-; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
-; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
+; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -enable-no-signed-zeros-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
+; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs -enable-no-signed-zeros-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
 
 ; GCN-LABEL: {{^}}add_select_fabs_fabs_f32:
 ; GCN: buffer_load_dword [[X:v[0-9]+]]