llvm-6502/test/CodeGen/X86/2008-11-03-F80VAARG.ll
Duncan Sands 5c58a3168f Make VAARG work with x86 long double (which is
10 bytes long, but is passed in 12/16 bytes).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58608 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-03 11:51:11 +00:00

18 lines
534 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -o - | not grep 10
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_copy(i8*, i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
define x86_fp80 @test(...) nounwind {
%ap = alloca i8* ; <i8**> [#uses=3]
%v1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start(i8* %v1)
%t1 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1]
%t2 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1]
%t = add x86_fp80 %t1, %t2 ; <x86_fp80> [#uses=1]
ret x86_fp80 %t
}