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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-03-24 18:21:25 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-03-24 18:21:25 +0000 |
| commit | cba1dff815e76b1650a2f68cc7a449ea12aef464 (patch) | |
| tree | 5bf092df20880213ae00d70dacf54a2e32f218f2 | |
| parent | 2087afe42364d18a53e1e02be5887f87ef836687 (diff) | |
| download | llvm-cba1dff815e76b1650a2f68cc7a449ea12aef464.tar.gz llvm-cba1dff815e76b1650a2f68cc7a449ea12aef464.tar.bz2 llvm-cba1dff815e76b1650a2f68cc7a449ea12aef464.tar.xz | |
Merging r202336:
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r202336 | michel.daenzer | 2014-02-26 17:47:02 -0800 (Wed, 26 Feb 2014) | 4 lines
R600/SI: Allow SI_KILL for geometry shaders
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204638 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/R600/SILowerControlFlow.cpp | 10 | ||||
| -rw-r--r-- | test/CodeGen/R600/llvm.AMDGPU.kill.ll | 18 |
2 files changed, 25 insertions, 3 deletions
diff --git a/lib/Target/R600/SILowerControlFlow.cpp b/lib/Target/R600/SILowerControlFlow.cpp index 958763dffc..47315ab95c 100644 --- a/lib/Target/R600/SILowerControlFlow.cpp +++ b/lib/Target/R600/SILowerControlFlow.cpp @@ -145,7 +145,9 @@ void SILowerControlFlowPass::SkipIfDead(MachineInstr &MI) { MachineBasicBlock &MBB = *MI.getParent(); DebugLoc DL = MI.getDebugLoc(); - if (!shouldSkip(&MBB, &MBB.getParent()->back())) + if (MBB.getParent()->getInfo<SIMachineFunctionInfo>()->ShaderType != + ShaderType::PIXEL || + !shouldSkip(&MBB, &MBB.getParent()->back())) return; MachineBasicBlock::iterator Insert = &MI; @@ -296,9 +298,11 @@ void SILowerControlFlowPass::Kill(MachineInstr &MI) { MachineBasicBlock &MBB = *MI.getParent(); DebugLoc DL = MI.getDebugLoc(); - // Kill is only allowed in pixel shaders + // Kill is only allowed in pixel / geometry shaders assert(MBB.getParent()->getInfo<SIMachineFunctionInfo>()->ShaderType == - ShaderType::PIXEL); + ShaderType::PIXEL || + MBB.getParent()->getInfo<SIMachineFunctionInfo>()->ShaderType == + ShaderType::GEOMETRY); // Clear this pixel from the exec mask if the operand is negative BuildMI(MBB, &MI, DL, TII->get(AMDGPU::V_CMPX_LE_F32_e32), AMDGPU::VCC) diff --git a/test/CodeGen/R600/llvm.AMDGPU.kill.ll b/test/CodeGen/R600/llvm.AMDGPU.kill.ll new file mode 100644 index 0000000000..bec5cdf65f --- /dev/null +++ b/test/CodeGen/R600/llvm.AMDGPU.kill.ll @@ -0,0 +1,18 @@ +; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI %s + +; SI-LABEL: @kill_gs +; SI: V_CMPX_LE_F32 + +define void @kill_gs() #0 { +main_body: + %0 = icmp ule i32 0, 3 + %1 = select i1 %0, float 1.000000e+00, float -1.000000e+00 + call void @llvm.AMDGPU.kill(float %1) + ret void +} + +declare void @llvm.AMDGPU.kill(float) + +attributes #0 = { "ShaderType"="2" } + +!0 = metadata !{metadata !"const", null, i32 1} |