RPCSX/llvm
1
0
Fork 0
mirror of https://github.com/RPCSX/llvm.git synced 2024-12-01 07:30:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Make sure sin, cos, sqrt calls are marked readonly

Browse Source 
before producing FSIN, FCOS, FSQRT.  If they aren't
so marked we have to assume they might set errno.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82781 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2009-09-25 18:00:35 +00:00
parent 94638f0081
commit a45bfd31de
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
View File

@ -4561,7 +4561,8 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
} else if (Name == "sin" || Name == "sinf" || Name == "sinl") {
if (I.getNumOperands() == 2 && // Basic sanity checks.
I.getOperand(1)->getType()->isFloatingPoint() &&
I.getType() == I.getOperand(1)->getType()) {
I.getType() == I.getOperand(1)->getType() &&
I.onlyReadsMemory()) {
SDValue Tmp = getValue(I.getOperand(1));
setValue(&I, DAG.getNode(ISD::FSIN, getCurDebugLoc(),
Tmp.getValueType(), Tmp));
@ -4570,7 +4571,8 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
} else if (Name == "cos" || Name == "cosf" || Name == "cosl") {
if (I.getNumOperands() == 2 && // Basic sanity checks.
I.getOperand(1)->getType()->isFloatingPoint() &&
I.getType() == I.getOperand(1)->getType()) {
I.getType() == I.getOperand(1)->getType() &&
I.onlyReadsMemory()) {
SDValue Tmp = getValue(I.getOperand(1));
setValue(&I, DAG.getNode(ISD::FCOS, getCurDebugLoc(),
Tmp.getValueType(), Tmp));
@ -4579,7 +4581,8 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
} else if (Name == "sqrt" || Name == "sqrtf" || Name == "sqrtl") {
if (I.getNumOperands() == 2 && // Basic sanity checks.
I.getOperand(1)->getType()->isFloatingPoint() &&
I.getType() == I.getOperand(1)->getType()) {
I.getType() == I.getOperand(1)->getType() &&
I.onlyReadsMemory()) {
SDValue Tmp = getValue(I.getOperand(1));
setValue(&I, DAG.getNode(ISD::FSQRT, getCurDebugLoc(),
Tmp.getValueType(), Tmp));