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CodeGen: Stop treating vectors as aggregates

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Fix a crash in SjLjEHPrepare::lowerIncomingArguments caused by treating
VectorType like an aggregate.  It's first-class!

<rdar://problem/15854596>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199768 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-01-21 22:46:46 +00:00
parent 182a02a8dc
commit dcaab3b681
2 changed files with 24 additions and 1 deletions
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2
lib/CodeGen/SjLjEHPrepare.cpp
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@ -251,7 +251,7 @@ void SjLjEHPrepare::lowerIncomingArguments(Function &F) {
// Aggregate types can't be cast, but are legal argument types, so we have
// to handle them differently. We use an extract/insert pair as a
// lightweight method to achieve the same goal.
if (isa<StructType>(Ty) || isa<ArrayType>(Ty) || isa<VectorType>(Ty)) {
if (isa<StructType>(Ty) || isa<ArrayType>(Ty)) {
Instruction *EI = ExtractValueInst::Create(AI, 0, "", AfterAllocaInsPt);
Instruction *NI = InsertValueInst::Create(AI, EI, 0);
NI->insertAfter(EI);

23
test/CodeGen/Thumb/sjljehprepare-lower-vector.ll Normal file
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@ -0,0 +1,23 @@
; RUN: llc -mtriple=thumbv7-apple-ios < %s
; SjLjEHPrepare shouldn't crash when lowering vectors.
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios"
define i8* @foo(<4 x i32> %c) {
entry:
invoke void @bar ()
to label %unreachable unwind label %handler
unreachable:
unreachable
handler:
%tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @baz to i8*)
cleanup
resume { i8*, i32 } undef
}
declare void @bar()
declare i32 @baz(...)