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[amdgpu] Add -enable-ocl-mangling-mismatch-workaround.

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- Add `-enable-ocl-mangling-mismatch-workaround` to work around the
  mismatch on OCL name mangling so far.

Reviewed By: yaxunl, rampitec

Differential Revision: https://reviews.llvm.org/D103920
This commit is contained in:
Michael Liao 2021-06-08 14:35:36 -04:00
parent 1f78d78c62
commit a01383c7cf
2 changed files with 10 additions and 3 deletions
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9
lib/Target/AMDGPU/AMDGPULibFunc.cpp
View File

@ -19,10 +19,16 @@
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ValueSymbolTable.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
static cl::opt<bool> EnableOCLManglingMismatchWA(
"amdgpu-enable-ocl-mangling-mismatch-workaround", cl::init(true),
cl::ReallyHidden,
cl::desc("Enable the workaround for OCL name mangling mismatch."));
namespace {
enum EManglingParam {
@ -826,7 +832,8 @@ public:
unsigned AS = UseAddrSpace
? AMDGPULibFuncBase::getAddrSpaceFromEPtrKind(p.PtrKind)
: 0;
if (AS != 0) os << "U3AS" << AS;
if (EnableOCLManglingMismatchWA || AS != 0)
os << "U3AS" << AS;
Ptr = p;
p.PtrKind = 0;
}

4
test/CodeGen/AMDGPU/simplify-libcalls.ll
View File

@ -1,8 +1,8 @@
; RUN: opt -S -O1 -mtriple=amdgcn-- -amdgpu-simplify-libcall < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-POSTLINK %s
; RUN: opt -S -O1 -mtriple=amdgcn-- -amdgpu-simplify-libcall -amdgpu-prelink <%s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-PRELINK %s
; RUN: opt -S -O1 -mtriple=amdgcn-- -amdgpu-simplify-libcall -amdgpu-prelink -amdgpu-enable-ocl-mangling-mismatch-workaround=0 <%s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-PRELINK %s
; RUN: opt -S -O1 -mtriple=amdgcn-- -amdgpu-use-native -amdgpu-prelink < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-NATIVE %s
; RUN: opt -S -passes='default<O1>' -mtriple=amdgcn-- -amdgpu-simplify-libcall < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-POSTLINK %s
; RUN: opt -S -passes='default<O1>' -mtriple=amdgcn-- -amdgpu-simplify-libcall -amdgpu-prelink <%s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-PRELINK %s
; RUN: opt -S -passes='default<O1>' -mtriple=amdgcn-- -amdgpu-simplify-libcall -amdgpu-prelink -amdgpu-enable-ocl-mangling-mismatch-workaround=0 <%s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-PRELINK %s
; RUN: opt -S -passes='default<O1>' -mtriple=amdgcn-- -amdgpu-use-native -amdgpu-prelink < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-NATIVE %s
; GCN-LABEL: {{^}}define amdgpu_kernel void @test_sincos