From 99f2d6fcc29ba8b797e3632f8a597aa99601c425 Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Mon, 30 Jun 2014 15:03:00 +0000 Subject: [PATCH] [AArch64] Unsized types don't specify an alignment. PR20109 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212045 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/AArch64/AArch64ISelDAGToDAG.cpp | 5 +++-- test/CodeGen/AArch64/funcptr_cast.ll | 13 +++++++++++++ 2 files changed, 16 insertions(+), 2 deletions(-) create mode 100644 test/CodeGen/AArch64/funcptr_cast.ll diff --git a/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp b/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp index 98609760a73..3f49fabfb58 100644 --- a/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp +++ b/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp @@ -593,8 +593,9 @@ bool AArch64DAGToDAGISel::SelectAddrModeIndexed(SDValue N, unsigned Size, const GlobalValue *GV = GAN->getGlobal(); unsigned Alignment = GV->getAlignment(); const DataLayout *DL = TLI->getDataLayout(); - if (Alignment == 0 && !Subtarget->isTargetDarwin()) - Alignment = DL->getABITypeAlignment(GV->getType()->getElementType()); + Type *Ty = GV->getType()->getElementType(); + if (Alignment == 0 && Ty->isSized() && !Subtarget->isTargetDarwin()) + Alignment = DL->getABITypeAlignment(Ty); if (Alignment >= Size) return true; diff --git a/test/CodeGen/AArch64/funcptr_cast.ll b/test/CodeGen/AArch64/funcptr_cast.ll new file mode 100644 index 00000000000..a00b7bcaf6a --- /dev/null +++ b/test/CodeGen/AArch64/funcptr_cast.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s + +define i8 @test() { +; CHECK-LABEL: @test +; CHECK: adrp {{x[0-9]+}}, foo +; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, :lo12:foo +; CHECK: ldrb w0, [{{x[0-9]+}}] +entry: + %0 = load i8* bitcast (void (...)* @foo to i8*), align 1 + ret i8 %0 +} + +declare void @foo(...) -- 2.11.0