6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-07 14:33:15 +00:00
Code Issues Projects Releases Wiki Activity

Use use_iterator::getOperandNo instead of CallSite::hasArgument to check if a

Browse Source 
function is passed as an argument instead of called. Also do this check a bit
earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthijs Kooijman 2008-06-05 08:34:25 +00:00
parent 045b3f7bf1
commit 41335411a8
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/Transforms/IPO/DeadArgumentElimination.cpp
View File

@ -302,6 +302,12 @@ void DAE::SurveyFunction(Function &F) {
FunctionIntrinsicallyLive = true;
else
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {
// If the function is PASSED IN as an argument, its address has been taken
if (I.getOperandNo() != 0) {
FunctionIntrinsicallyLive = true;
break;
}
// If this use is anything other than a call site, the function is alive.
CallSite CS = CallSite::get(*I);
Instruction *TheCall = CS.getInstruction();
@ -329,13 +335,6 @@ void DAE::SurveyFunction(Function &F) {
RetValLiveness = Live;
break;
}
// If the function is PASSED IN as an argument, its address has been taken
if (CS.hasArgument(&F)) {
FunctionIntrinsicallyLive = true;
break;
}
}
if (FunctionIntrinsicallyLive) {