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R600: Do not fold modifier/litterals in vector inst

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This fixes a couple of regressions on (probably not just) cayman

NOTE: This is a candidate for the Mesa stable branch.

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175180 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vincent Lejeune 2013-02-14 16:55:01 +00:00
parent 6872de99b3
commit df65b0fb51
1 changed files with 5 additions and 2 deletions
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7
lib/Target/R600/AMDILISelDAGToDAG.cpp
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@ -218,7 +218,9 @@ SDNode *AMDGPUDAGToDAGISel::Select(SDNode *N) {
continue;
}
} else {
if (!TII->isALUInstr(Use->getMachineOpcode())) {
if (!TII->isALUInstr(Use->getMachineOpcode()) ||
(TII->get(Use->getMachineOpcode()).TSFlags &
R600_InstFlag::VECTOR)) {
continue;
}
@ -261,7 +263,8 @@ SDNode *AMDGPUDAGToDAGISel::Select(SDNode *N) {
if (ST.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX) {
const R600InstrInfo *TII =
static_cast<const R600InstrInfo*>(TM.getInstrInfo());
if (Result && Result->isMachineOpcode()
if (Result && Result->isMachineOpcode() &&
!(TII->get(Result->getMachineOpcode()).TSFlags & R600_InstFlag::VECTOR)
&& TII->isALUInstr(Result->getMachineOpcode())) {
// Fold FNEG/FABS/CONST_ADDRESS
// TODO: Isel can generate multiple MachineInst, we need to recursively