llvm-6502/test/CodeGen/X86/mmx-arg-passing.ll
Bruno Cardoso Lopes 12c944ba10 [X86][MMX] Cleanup shuffle, bitcast and insert element tests
- Merge MMX arg passing test files
- Merge MMX bitcast, insert elt and shuffle tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227867 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-02 21:56:11 +00:00

74 lines
1.9 KiB
LLVM

; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s -check-prefix=X86-32
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s -check-prefix=X86-64
;
; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
; On Darwin x86-32, v1i64 values are passed in memory. In this example, they
; are never moved into an MM register at all.
; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
@u1 = external global x86_mmx
define void @t1(x86_mmx %v1) nounwind {
store x86_mmx %v1, x86_mmx* @u1, align 8
ret void
; X86-32-LABEL: t1:
; X86-32: movq %mm0
; X86-64-LABEL: t1:
; X86-64: movdq2q %xmm0
; X86-64: movq %mm0
}
@u2 = external global x86_mmx
define void @t2(<1 x i64> %v1) nounwind {
%tmp = bitcast <1 x i64> %v1 to x86_mmx
store x86_mmx %tmp, x86_mmx* @u2, align 8
ret void
; X86-32-LABEL: t2:
; X86-32: movl 4(%esp)
; X86-32: movl 8(%esp)
; X86-64-LABEL: t2:
; X86-64: movq %rdi
}
@g_v8qi = external global <8 x i8>
define void @t3() nounwind {
; X86-64-LABEL: t3:
; X86-64-NOT: movdq2q
; X86-64: punpcklbw
%tmp3 = load <8 x i8>* @g_v8qi, align 8
%tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
%tmp4 = tail call i32 (...)* @pass_v8qi( x86_mmx %tmp3a ) nounwind
ret void
}
define void @t4(x86_mmx %v1, x86_mmx %v2) nounwind {
; X86-64-LABEL: t4:
; X86-64: movdq2q
; X86-64: movdq2q
; X86-64-NOT: movdq2q
%v1a = bitcast x86_mmx %v1 to <8 x i8>
%v2b = bitcast x86_mmx %v2 to <8 x i8>
%tmp3 = add <8 x i8> %v1a, %v2b
%tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
%tmp4 = tail call i32 (...)* @pass_v8qi( x86_mmx %tmp3a ) nounwind
ret void
}
define void @t5() nounwind {
; X86-64-LABEL: t5:
; X86-64-NOT: movdq2q
; X86-64: xorl %edi, %edi
call void @pass_v1di( <1 x i64> zeroinitializer )
ret void
}
declare i32 @pass_v8qi(...)
declare void @pass_v1di(<1 x i64>)