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PTX: Fix some lingering issues with stack allocation

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski
2011-09-26 16:20:34 +00:00
parent d5c3920f8d
commit 58788503b8
2 changed files with 13 additions and 1 deletions
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4
lib/Target/PTX/PTXAsmPrinter.cpp
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@@ -297,7 +297,9 @@ void PTXAsmPrinter::EmitFunctionBodyStart() {
for (unsigned i = 0, e = FrameInfo->getNumObjects(); i != e; ++i) { for (unsigned i = 0, e = FrameInfo->getNumObjects(); i != e; ++i) {
DEBUG(dbgs() << "Size of object: " << FrameInfo->getObjectSize(i) << "\n"); DEBUG(dbgs() << "Size of object: " << FrameInfo->getObjectSize(i) << "\n");
if (FrameInfo->getObjectSize(i) > 0) { if (FrameInfo->getObjectSize(i) > 0) {
std::string def = "\t.local .b"; std::string def = "\t.local .align ";
def += utostr(FrameInfo->getObjectAlignment(i));
def += " .b";
def += utostr(FrameInfo->getObjectSize(i)*8); // Convert to bits def += utostr(FrameInfo->getObjectSize(i)*8); // Convert to bits
def += " __local"; def += " __local";
def += utostr(i); def += utostr(i);

10
test/CodeGen/PTX/stack-object.ll Normal file
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@@ -0,0 +1,10 @@
; RUN: llc < %s -march=ptx32 -mattr=sm20 | FileCheck %s
define ptx_device float @stack1(float %a) {
; CHECK: .local .b32 __local0;
%a.2 = alloca float
; CHECK: st.local.f32 [__local0], %f0
store float %a, float* %a.2
%a.3 = load float* %a.2
ret float %a.3
}