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Drop assert that a call with struct return goes to a function with sret

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attribute. Clang incorrectly misses it on __muldc3 and friends and the
type system doesn't include it properly either.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250938 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger 2015-10-21 20:05:01 +00:00
parent 062c18d550
commit f1ad08798b
2 changed files with 11 additions and 2 deletions
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4
lib/Target/Sparc/SparcISelLowering.cpp
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@ -1040,8 +1040,8 @@ SparcTargetLowering::getSRetArgSize(SelectionDAG &DAG, SDValue Callee) const
if (!CalleeFn)
return 0;
assert(CalleeFn->hasStructRetAttr() &&
"Callee does not have the StructRet attribute.");
// It would be nice to check for the sret attribute on CalleeFn here,
// but since it is not part of the function type, any check will misfire.
PointerType *Ty = cast<PointerType>(CalleeFn->arg_begin()->getType());
Type *ElementTy = Ty->getElementType();

9
test/CodeGen/SPARC/missing-sret.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc -march=sparc -filetype=obj < %s > /dev/null 2> %t2
define void @mul_double_cc({ double, double }* noalias sret %agg.result, double %a, double %b, double %c, double %d) {
entry:
call void @__muldc3({ double, double }* sret %agg.result, double %a, double %b, double %c, double %d)
ret void
}
declare void @__muldc3({ double, double }*, double, double, double, double)