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GlobalISel: allow extractvalue to extract an aggregate. 

llvm-svn: 279287
This commit is contained in:
Tim Northover 2016-08-19 18:09:41 +00:00
parent 3d9946eb23
commit 2fa5fa391f
2 changed files with 12 additions and 1 deletions
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2
llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
View File

@ -197,7 +197,7 @@ bool IRTranslator::translateExtractValue(const User &U) {
uint64_t Offset = 8 * DL->getIndexedOffsetInType(Src->getType(), Indices);
unsigned Res = getOrCreateVReg(EVI);
MIRBuilder.buildExtract(LLT{*EVI.getType()}, Res, getOrCreateVReg(*Src),
MIRBuilder.buildExtract(LLT{*EVI.getType(), DL}, Res, getOrCreateVReg(*Src),
Offset);
return true;

11
llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
View File

@ -693,3 +693,14 @@ define i32 @test_extractvalue(%struct.nested* %addr) {
%res = extractvalue %struct.nested %struct, 1, 1
ret i32 %res
}
; CHECK-LABEL: name: test_extractvalue_agg
; CHECK: [[STRUCT:%[0-9]+]](128) = G_LOAD { s128, p0 }
; CHECK: [[RES:%[0-9]+]](64) = G_EXTRACT s64 [[STRUCT]], 32
; CHECK: G_STORE { s64, p0 } [[RES]]
define void @test_extractvalue_agg(%struct.nested* %addr, {i8, i32}* %addr2) {
%struct = load %struct.nested, %struct.nested* %addr
%res = extractvalue %struct.nested %struct, 1
store {i8, i32} %res, {i8, i32}* %addr2
ret void
}