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Merging r182298:

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r182298 | jholewinski | 2013-05-20 09:42:18 -0700 (Mon, 20 May 2013) | 1 line

[NVPTX] Fix mis-use of CurrentFnSym in NVPTXAsmPrinter.  This was causing a symbol name error in the output PTX.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182828 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-05-29 06:55:34 +00:00
parent f3d2075c75
commit afa582f1cd
2 changed files with 44 additions and 9 deletions
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16
lib/Target/NVPTX/NVPTXAsmPrinter.cpp
View File

@ -702,7 +702,7 @@ void NVPTXAsmPrinter::emitDeclaration(const Function *F, raw_ostream &O) {
else
O << ".func ";
printReturnValStr(F, O);
O << *CurrentFnSym << "\n";
O << *Mang->getSymbol(F) << "\n";
emitFunctionParamList(F, O);
O << ";\n";
}
@ -812,7 +812,6 @@ void NVPTXAsmPrinter::emitDeclarations(const Module &M, raw_ostream &O) {
continue;
if (F->getIntrinsicID())
continue;
CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
continue;
}
@ -824,14 +823,12 @@ void NVPTXAsmPrinter::emitDeclarations(const Module &M, raw_ostream &O) {
// The use is in the initialization of a global variable
// that is a function pointer, so print a declaration
// for the original function
CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
// Emit a declaration of this function if the function that
// uses this constant expr has already been seen.
if (useFuncSeen(C, seenMap)) {
CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
@ -851,7 +848,6 @@ void NVPTXAsmPrinter::emitDeclarations(const Module &M, raw_ostream &O) {
// appearing in the module before the callee. so print out
// a declaration for the callee.
if (seenMap.find(caller) != seenMap.end()) {
CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
@ -1473,7 +1469,7 @@ void NVPTXAsmPrinter::printParamName(Function::const_arg_iterator I,
int paramIndex, raw_ostream &O) {
if ((nvptxSubtarget.getDrvInterface() == NVPTX::NVCL) ||
(nvptxSubtarget.getDrvInterface() == NVPTX::CUDA))
O << *CurrentFnSym << "_param_" << paramIndex;
O << *Mang->getSymbol(I->getParent()) << "_param_" << paramIndex;
else {
std::string argName = I->getName();
const char *p = argName.c_str();
@ -1532,11 +1528,13 @@ void NVPTXAsmPrinter::emitFunctionParamList(const Function *F, raw_ostream &O) {
if (llvm::isImage(*I)) {
std::string sname = I->getName();
if (llvm::isImageWriteOnly(*I))
O << "\t.param .surfref " << *CurrentFnSym << "_param_" << paramIndex;
O << "\t.param .surfref " << *Mang->getSymbol(F) << "_param_"
<< paramIndex;
else // Default image is read_only
O << "\t.param .texref " << *CurrentFnSym << "_param_" << paramIndex;
O << "\t.param .texref " << *Mang->getSymbol(F) << "_param_"
<< paramIndex;
} else // Should be llvm::isSampler(*I)
O << "\t.param .samplerref " << *CurrentFnSym << "_param_"
O << "\t.param .samplerref " << *Mang->getSymbol(F) << "_param_"
<< paramIndex;
continue;
}

37
test/CodeGen/NVPTX/refl1.ll Normal file
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@ -0,0 +1,37 @@
; RUN: llc < %s -march=nvptx -mcpu=sm_20 -drvcuda | FileCheck %s
; Function Attrs: nounwind
; CHECK: .entry foo
define void @foo(float* nocapture %a) #0 {
%val = load float* %a
%tan = tail call fastcc float @__nv_fast_tanf(float %val)
store float %tan, float* %a
ret void
}
; Function Attrs: nounwind readnone
declare float @llvm.nvvm.sin.approx.ftz.f(float) #1
; Function Attrs: nounwind readnone
declare float @llvm.nvvm.cos.approx.ftz.f(float) #1
; Function Attrs: nounwind readnone
declare float @llvm.nvvm.div.approx.ftz.f(float, float) #1
; Function Attrs: alwaysinline inlinehint nounwind readnone
; CHECK: .func (.param .b32 func_retval0) __nv_fast_tanf
define internal fastcc float @__nv_fast_tanf(float %a) #2 {
entry:
%0 = tail call float @llvm.nvvm.sin.approx.ftz.f(float %a)
%1 = tail call float @llvm.nvvm.cos.approx.ftz.f(float %a)
%2 = tail call float @llvm.nvvm.div.approx.ftz.f(float %0, float %1)
ret float %2
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { alwaysinline inlinehint nounwind readnone }
!nvvm.annotations = !{!0}
!0 = metadata !{void (float*)* @foo, metadata !"kernel", i32 1}