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Fix addrspacecast with metadata globals

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llvm-svn: 198345
This commit is contained in:
Matt Arsenault 2014-01-02 19:53:49 +00:00
parent 9ac10ba363
commit 090fe5a92a
2 changed files with 31 additions and 3 deletions
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8
lib/Transforms/IPO/GlobalOpt.cpp
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@ -2856,12 +2856,14 @@ static void setUsedInitializer(GlobalVariable &V,
return;
}
SmallVector<llvm::Constant *, 8> UsedArray;
PointerType *Int8PtrTy = Type::getInt8PtrTy(V.getContext());
// Type of pointer to the array of pointers.
PointerType *Int8PtrTy = Type::getInt8PtrTy(V.getContext(), 0);
SmallVector<llvm::Constant *, 8> UsedArray;
for (SmallPtrSet<GlobalValue *, 8>::iterator I = Init.begin(), E = Init.end();
I != E; ++I) {
Constant *Cast = llvm::ConstantExpr::getBitCast(*I, Int8PtrTy);
Constant *Cast
= ConstantExpr::getPointerBitCastOrAddrSpaceCast(*I, Int8PtrTy);
UsedArray.push_back(Cast);
}
// Sort to get deterministic order.

26
test/Transforms/GlobalOpt/alias-used-address-space.ll Normal file
View File

@ -0,0 +1,26 @@
; RUN: opt -S -globalopt < %s | FileCheck %s
target datalayout = "p:32:32:32-p1:16:16:16"
@c = addrspace(1) global i8 42
@i = internal addrspace(1) global i8 42
; CHECK: @ia = internal addrspace(1) global i8 42
@ia = alias internal i8 addrspace(1)* @i
@llvm.used = appending global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* @ca to i8*)], section "llvm.metadata"
; CHECK-DAG: @llvm.used = appending global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* @ca to i8*)], section "llvm.metadata"
@llvm.compiler.used = appending global [2 x i8*] [i8* addrspacecast(i8 addrspace(1)* @ia to i8*), i8* addrspacecast (i8 addrspace(1)* @i to i8*)], section "llvm.metadata"
; CHECK-DAG: @llvm.compiler.used = appending global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* @ia to i8*)], section "llvm.metadata"
@sameAsUsed = global [1 x i8*] [i8* addrspacecast(i8 addrspace(1)* @ca to i8*)]
; CHECK-DAG: @sameAsUsed = global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* @c to i8*)]
@ca = alias internal i8 addrspace(1)* @c
; CHECK: @ca = alias internal i8 addrspace(1)* @c
define i8 addrspace(1)* @h() {
ret i8 addrspace(1)* @ca
}