1 ; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s --check-prefix=X86-32 2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s --check-prefix=X86-64 3 ; 4 ; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2]. 5 ; On Darwin x86-32, v1i64 values are passed in memory. In this example, they 6 ; are never moved into an MM register at all. 7 ; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7]. 8 ; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs. 9 10 @u1 = external global x86_mmx 11 12 define void @t1(x86_mmx %v1) nounwind { 13 ; X86-32-LABEL: t1: 14 ; X86-32: ## BB#0: 15 ; X86-32-NEXT: movl L_u1$non_lazy_ptr, %eax 16 ; X86-32-NEXT: movq %mm0, (%eax) 17 ; X86-32-NEXT: retl 18 ; 19 ; X86-64-LABEL: t1: 20 ; X86-64: ## BB#0: 21 ; X86-64-NEXT: movdq2q %xmm0, %mm0 22 ; X86-64-NEXT: movq _u1@{{.*}}(%rip), %rax 23 ; X86-64-NEXT: movq %mm0, (%rax) 24 ; X86-64-NEXT: retq 25 store x86_mmx %v1, x86_mmx* @u1, align 8 26 ret void 27 } 28 29 @u2 = external global x86_mmx 30 31 define void @t2(<1 x i64> %v1) nounwind { 32 ; X86-32-LABEL: t2: 33 ; X86-32: ## BB#0: 34 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %eax 35 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %ecx 36 ; X86-32-NEXT: movl L_u2$non_lazy_ptr, %edx 37 ; X86-32-NEXT: movl %ecx, 4(%edx) 38 ; X86-32-NEXT: movl %eax, (%edx) 39 ; X86-32-NEXT: retl 40 ; 41 ; X86-64-LABEL: t2: 42 ; X86-64: ## BB#0: 43 ; X86-64-NEXT: movq _u2@{{.*}}(%rip), %rax 44 ; X86-64-NEXT: movq %rdi, (%rax) 45 ; X86-64-NEXT: retq 46 %tmp = bitcast <1 x i64> %v1 to x86_mmx 47 store x86_mmx %tmp, x86_mmx* @u2, align 8 48 ret void 49 } 50
