llvm/test/CodeGen/X86/fast-cc-pass-in-regs.ll
Anton Korobeynikov ded05e34b6 Add support for thiscall calling convention.
Patch by Charles Davis and Steven Watanabe!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103902 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-16 09:08:45 +00:00

30 lines
669 B
LLVM

; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | FileCheck %s
; check that fastcc is passing stuff in regs.
declare x86_fastcallcc i64 @callee(i64)
define i64 @caller() {
%X = call x86_fastcallcc i64 @callee( i64 4294967299 ) ; <i64> [#uses=1]
; CHECK: mov{{.*}}EDX, 1
ret i64 %X
}
define x86_fastcallcc i64 @caller2(i64 %X) {
ret i64 %X
; CHECK: mov{{.*}}EAX, ECX
}
declare x86_thiscallcc i64 @callee2(i32)
define i64 @caller3() {
%X = call x86_thiscallcc i64 @callee2( i32 3 )
; CHECK: mov{{.*}}ECX, 3
ret i64 %X
}
define x86_thiscallcc i32 @caller4(i32 %X) {
ret i32 %X
; CHECK: mov{{.*}}EAX, ECX
}