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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-02-23 19:13:48 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-02-23 19:13:48 +0000 |
| commit | 5a813558fccf203e1f8733f4c8217a03fd87b430 (patch) | |
| tree | 8a0d61091371dfc2cdca994dc23e46e0ee21bc89 | |
| parent | e49737eb046479c0610f1254ef311a91036a5144 (diff) | |
| download | src-5a813558fccf203e1f8733f4c8217a03fd87b430.tar.gz src-5a813558fccf203e1f8733f4c8217a03fd87b430.zip | |
Vendor import of llvm release_40 branch r296002:vendor/llvm/llvm-release_40-r296002
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=314168
svn path=/vendor/llvm/llvm-release_40-r296002/; revision=314169; tag=vendor/llvm/llvm-release_40-r296002
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 13 | ||||
| -rw-r--r-- | test/CodeGen/ARM/alias_store.ll | 16 |
2 files changed, 24 insertions, 5 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 97481d49ea34..0f84a2359160 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -3027,17 +3027,20 @@ static SDValue promoteToConstantPool(const GlobalValue *GV, SelectionDAG &DAG, return DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr); } +static bool isReadOnly(const GlobalValue *GV) { + if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) + GV = GA->getBaseObject(); + return (isa<GlobalVariable>(GV) && cast<GlobalVariable>(GV)->isConstant()) || + isa<Function>(GV); +} + SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op, SelectionDAG &DAG) const { EVT PtrVT = getPointerTy(DAG.getDataLayout()); SDLoc dl(Op); const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal(); const TargetMachine &TM = getTargetMachine(); - if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) - GV = GA->getBaseObject(); - bool IsRO = - (isa<GlobalVariable>(GV) && cast<GlobalVariable>(GV)->isConstant()) || - isa<Function>(GV); + bool IsRO = isReadOnly(GV); // promoteToConstantPool only if not generating XO text section if (TM.shouldAssumeDSOLocal(*GV->getParent(), GV) && !Subtarget->genExecuteOnly()) diff --git a/test/CodeGen/ARM/alias_store.ll b/test/CodeGen/ARM/alias_store.ll new file mode 100644 index 000000000000..48f21fc03eca --- /dev/null +++ b/test/CodeGen/ARM/alias_store.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s + +@X = constant {i8, i8 } { i8 0, i8 0 } +@XA = alias i8, getelementptr inbounds ({ i8, i8 }, {i8, i8}* @X, i32 0, i32 1) + +define void @f(i8** %p) align 2 { +entry: + store i8* @XA, i8 **%p, align 4 + ret void +} + +; CHECK: f: +; CHECK: ldr r{{.*}}, [[L:.*]] +; CHECK: [[L]]: +; CHECK-NEXT: .long XA +; CHECK: XA = X+1 |