fast-isel sret. We actually don't need to do anything special on x86. :) rdar://problem/9303592 .

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-04-27 23:58:52 +00:00
parent 5a2336e794
commit 8211a6a61d
2 changed files with 13 additions and 1 deletions

View File

@ -1618,7 +1618,6 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
// FIXME: Only handle *easy* calls for now.
if (CS.paramHasAttr(AttrInd, Attribute::InReg) ||
CS.paramHasAttr(AttrInd, Attribute::StructRet) ||
CS.paramHasAttr(AttrInd, Attribute::Nest) ||
CS.paramHasAttr(AttrInd, Attribute::ByVal))
return false;

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@ -238,3 +238,16 @@ define void @test19(double* %p1) {
; CHECK: test19:
; CHECK: pxor
}
; Check that we fast-isel sret
%struct.a = type { i64, i64, i64 }
define void @test20() nounwind ssp {
entry:
%tmp = alloca %struct.a, align 8
call void @test20sret(%struct.a* sret %tmp)
ret void
; CHECK: test20:
; CHECK: leaq (%rsp), %rdi
; CHECK: callq _test20sret
}
declare void @test20sret(%struct.a* sret)