RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-26 04:32:44 +01:00
Code Issues Projects Releases Wiki Activity

Make FastISel::SelectInstruction return before target specific fast-isel code

Browse Source 
handles Intrinsic::trap if TargetOptions::TrapFuncName is set.

This fixes a bug in which the trap function was not taken into consideration
when a program was compiled without optimization (at -O0).

<rdar://problem/16291933>

llvm-svn: 206323
This commit is contained in:
Akira Hatanaka 2014-04-15 21:30:06 +00:00
parent 216ae0fd5e
commit d5cce12997
2 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/CodeGen/SelectionDAG/FastISel.cpp
View File

@ -826,15 +826,21 @@ FastISel::SelectInstruction(const Instruction *I) {
MachineBasicBlock::iterator SavedInsertPt = FuncInfo.InsertPt;
// As a special case, don't handle calls to builtin library functions that
// may be translated directly to target instructions.
if (const CallInst *Call = dyn_cast<CallInst>(I)) {
const Function *F = Call->getCalledFunction();
LibFunc::Func Func;
// As a special case, don't handle calls to builtin library functions that
// may be translated directly to target instructions.
if (F && !F->hasLocalLinkage() && F->hasName() &&
LibInfo->getLibFunc(F->getName(), Func) &&
LibInfo->hasOptimizedCodeGen(Func))
return false;
// Don't handle Intrinsic::trap if a trap funciton is specified.
if (F && F->getIntrinsicID() == Intrinsic::trap &&
!TM.Options.getTrapFunctionName().empty())
return false;
}
// First, try doing target-independent selection.

1
test/CodeGen/ARM/trap.ll
View File

@ -1,5 +1,6 @@
; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s -check-prefix=INSTR
; RUN: llc < %s -mtriple=arm-apple-darwin -trap-func=_trap | FileCheck %s -check-prefix=FUNC
; RUN: llc < %s -mtriple=arm-apple-darwin -trap-func=_trap -O0 | FileCheck %s -check-prefix=FUNC
; RUN: llc -mtriple=armv7-unknown-nacl -filetype=obj %s -o - \
; RUN: | llvm-objdump -disassemble -triple armv7-unknown-nacl - \
; RUN: | FileCheck %s -check-prefix=ENCODING-NACL