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GlobalISel: translate @llvm.va_end intrinsic.

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Turns out no-one actually cares about this one (at least) in tree so we can
just drop it entirely.

llvm-svn: 294345
This commit is contained in:
Tim Northover 2017-02-07 20:08:59 +00:00
parent 704fe71950
commit f2b2f0a4d5
2 changed files with 14 additions and 0 deletions
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4
lib/CodeGen/GlobalISel/IRTranslator.cpp
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@ -579,6 +579,10 @@ bool IRTranslator::translateKnownIntrinsic(const CallInst &CI, Intrinsic::ID ID,
MIRBuilder.buildDirectDbgValue(Reg, DI.getVariable(), DI.getExpression());
return true;
}
case Intrinsic::vaend:
// No target I know of cares about va_end. Certainly no in-tree target
// does. Simplest intrinsic ever!
return true;
case Intrinsic::dbg_value: {
// This form of DBG_VALUE is target-independent.
const DbgValueInst &DI = cast<DbgValueInst>(CI);

10
test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
View File

@ -1123,3 +1123,13 @@ define i8* @test_const_placement() {
next:
ret i8* inttoptr(i32 42 to i8*)
}
declare void @llvm.va_end(i8*)
define void @test_va_end(i8* %list) {
; CHECK-LABEL: name: test_va_end
; CHECK-NOT: va_end
; CHECK-NOT: INTRINSIC
; CHECK: RET_ReallyLR
call void @llvm.va_end(i8* %list)
ret void
}