RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-11-26 05:00:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix PR7052, patch by Jakub Staszak!

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103347 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-05-08 20:01:44 +00:00
parent b54b9ddaaf
commit 7944c21cae
2 changed files with 66 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Transforms/Scalar/GVN.cpp
View File

@ -868,7 +868,7 @@ static Value *CoerceAvailableValueToLoadType(Value *StoredVal,
const Type *StoredValTy = StoredVal->getType();
uint64_t StoreSize = TD.getTypeSizeInBits(StoredValTy);
uint64_t StoreSize = TD.getTypeStoreSizeInBits(StoredValTy);
uint64_t LoadSize = TD.getTypeSizeInBits(LoadedTy);
// If the store and reload are the same size, we can always reuse it.
@ -1132,8 +1132,8 @@ static Value *GetStoreValueForLoad(Value *SrcVal, unsigned Offset,
Instruction *InsertPt, const TargetData &TD){
LLVMContext &Ctx = SrcVal->getType()->getContext();
uint64_t StoreSize = TD.getTypeSizeInBits(SrcVal->getType())/8;
uint64_t LoadSize = TD.getTypeSizeInBits(LoadTy)/8;
uint64_t StoreSize = (TD.getTypeSizeInBits(SrcVal->getType()) + 7) / 8;
uint64_t LoadSize = (TD.getTypeSizeInBits(LoadTy) + 7) / 8;
IRBuilder<> Builder(InsertPt->getParent(), InsertPt);

63
test/Transforms/GVN/2010-05-08-OneBit.ll Normal file
View File

@ -0,0 +1,63 @@
; RUN: opt < %s -gvn
; PR7052
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
define i32 @main(i32 %argc, i8** nocapture %argv) {
entry:
%0 = getelementptr inbounds i8* undef, i64 5 ; <i8*> [#uses=1]
%1 = bitcast i8* %0 to i32* ; <i32*> [#uses=1]
store i32 undef, i32* %1, align 1
br i1 undef, label %k121.i.i, label %l117.i.i
l117.i.i: ; preds = %entry
invoke fastcc void @foo()
to label %.noexc5 unwind label %landing_pad
.noexc5: ; preds = %l117.i.i
unreachable
k121.i.i: ; preds = %entry
br i1 undef, label %l129.i.i, label %k133.i.i
l129.i.i: ; preds = %k121.i.i
invoke fastcc void @foo()
to label %.noexc7 unwind label %landing_pad
.noexc7: ; preds = %l129.i.i
unreachable
k133.i.i: ; preds = %k121.i.i
%2 = getelementptr i8* undef, i64 5 ; <i8*> [#uses=1]
%3 = bitcast i8* %2 to i1* ; <i1*> [#uses=1]
%4 = load i1* %3 ; <i1> [#uses=1]
br i1 %4, label %k151.i.i, label %l147.i.i
l147.i.i: ; preds = %k133.i.i
invoke fastcc void @foo()
to label %.noexc10 unwind label %landing_pad
.noexc10: ; preds = %l147.i.i
unreachable
k151.i.i: ; preds = %k133.i.i
ret i32 0
landing_pad: ; preds = %l147.i.i, %l129.i.i, %l117.i.i
switch i32 undef, label %fin [
i32 1, label %catch1
i32 2, label %catch
]
fin: ; preds = %landing_pad
unreachable
catch: ; preds = %landing_pad
ret i32 1
catch1: ; preds = %landing_pad
ret i32 2
}
declare fastcc void @foo()