diff options
| author | Tom Stellard <[email protected]> | 2012-04-30 16:11:27 -0400 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2012-04-30 16:43:34 -0400 |
| commit | 4da1fcacf1d78c5fcae9e81eaf2a9d7c8117af3e (patch) | |
| tree | b459dd3f9ee5007f842645a0fba0de3537cd4224 /src/gallium/drivers/radeon | |
| parent | 77d2780cbc00d525b25c6e625b1faeb37e3ad6d0 (diff) | |
r600g/llvm: Fix handling of MASK_WRITE instructions
We can't delete MASK_WRITE instructions from the program, because this
will cause instructions being masked by MASK_WRITE to be marked dead and
then deleted in the dce pass.
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/AMDGPUUtil.cpp | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/R600LowerInstructions.cpp | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeon/AMDGPUUtil.cpp b/src/gallium/drivers/radeon/AMDGPUUtil.cpp index a5045436ab4..6fb01b687f3 100644 --- a/src/gallium/drivers/radeon/AMDGPUUtil.cpp +++ b/src/gallium/drivers/radeon/AMDGPUUtil.cpp @@ -34,6 +34,7 @@ bool llvm::isPlaceHolderOpcode(unsigned opcode) case AMDIL::RETURN: case AMDIL::LOAD_INPUT: case AMDIL::LAST: + case AMDIL::MASK_WRITE: case AMDIL::RESERVE_REG: return true; } diff --git a/src/gallium/drivers/radeon/R600LowerInstructions.cpp b/src/gallium/drivers/radeon/R600LowerInstructions.cpp index fb5431d0eef..8395d22c4ad 100644 --- a/src/gallium/drivers/radeon/R600LowerInstructions.cpp +++ b/src/gallium/drivers/radeon/R600LowerInstructions.cpp @@ -311,7 +311,8 @@ bool R600LowerInstructionsPass::runOnMachineFunction(MachineFunction &MF) MachineInstr * defInstr = MRI->getVRegDef(maskedRegister); MachineOperand * def = defInstr->findRegisterDefOperand(maskedRegister); def->addTargetFlag(MO_FLAG_MASK); - break; + /* Continue so the instruction is not erased */ + continue; } case AMDIL::NEGATE_i32: |