; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; 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 { ; X86-32-LABEL: t1: ; X86-32: ## BB#0: ; X86-32-NEXT: movl L_u1$non_lazy_ptr, %eax ; X86-32-NEXT: movq %mm0, (%eax) ; X86-32-NEXT: retl ; ; X86-64-LABEL: t1: ; X86-64: ## BB#0: ; X86-64-NEXT: movdq2q %xmm0, %mm0 ; X86-64-NEXT: movq _u1@{{.*}}(%rip), %rax ; X86-64-NEXT: movq %mm0, (%rax) ; X86-64-NEXT: retq store x86_mmx %v1, x86_mmx* @u1, align 8 ret void } @u2 = external global x86_mmx define void @t2(<1 x i64> %v1) nounwind { ; X86-32-LABEL: t2: ; X86-32: ## BB#0: ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-32-NEXT: movl L_u2$non_lazy_ptr, %edx ; X86-32-NEXT: movl %ecx, 4(%edx) ; X86-32-NEXT: movl %eax, (%edx) ; X86-32-NEXT: retl ; ; X86-64-LABEL: t2: ; X86-64: ## BB#0: ; X86-64-NEXT: movq _u2@{{.*}}(%rip), %rax ; X86-64-NEXT: movq %rdi, (%rax) ; X86-64-NEXT: retq %tmp = bitcast <1 x i64> %v1 to x86_mmx store x86_mmx %tmp, x86_mmx* @u2, align 8 ret void }