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fix rdar://9776316 - type remapping needed for inline asm blobs,

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fixing some objc llvm-test crashes with LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135324 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-07-15 23:18:40 +00:00
parent c1d414ad71
commit 7305c55a80
2 changed files with 34 additions and 1 deletions
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18
lib/Transforms/Utils/ValueMapper.cpp
View File

@ -15,6 +15,7 @@
#include "llvm/Transforms/Utils/ValueMapper.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
#include "llvm/Metadata.h"
using namespace llvm;
@ -31,8 +32,23 @@ Value *llvm::MapValue(const Value *V, ValueToValueMapTy &VM, RemapFlags Flags,
// Global values do not need to be seeded into the VM if they
// are using the identity mapping.
if (isa<GlobalValue>(V) || isa<InlineAsm>(V) || isa<MDString>(V))
if (isa<GlobalValue>(V) || isa<MDString>(V))
return VM[V] = const_cast<Value*>(V);
if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
// Inline asm may need *type* remapping.
FunctionType *NewTy = IA->getFunctionType();
if (TypeMapper) {
NewTy = cast<FunctionType>(TypeMapper->remapType(NewTy));
if (NewTy != IA->getFunctionType())
V = InlineAsm::get(NewTy, IA->getAsmString(), IA->getConstraintString(),
IA->hasSideEffects(), IA->isAlignStack());
}
return VM[V] = const_cast<Value*>(V);
}
if (const MDNode *MD = dyn_cast<MDNode>(V)) {
// If this is a module-level metadata and we know that nothing at the module

17
test/Linker/inlineasm.ll Normal file
View File

@ -0,0 +1,17 @@
; RUN: echo > %t.ll
; RUN: llvm-link %t.ll %s -S
; ModuleID = 'bitfield-access-2.o'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
target triple = "i386-apple-macosx10.6.8"
; rdar://9776316 - type remapping needed for inline asm blobs.
%T = type { [18 x i32], [4 x i8*] }
define void @f(%T* %x) nounwind ssp {
entry:
call void asm sideeffect "", "=*m"(%T* %x) nounwind
unreachable
}