1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s --check-prefix=X86-32 3 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s --check-prefix=X86-64 4 ; 5 ; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2]. 6 ; On Darwin x86-32, v1i64 values are passed in memory. In this example, they 7 ; are never moved into an MM register at all. 8 ; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7]. 9 ; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs. 10 11 @u1 = external global x86_mmx 12 13 define void @t1(x86_mmx %v1) nounwind { 14 ; X86-32-LABEL: t1: 15 ; X86-32: ## BB#0: 16 ; X86-32-NEXT: movl L_u1$non_lazy_ptr, %eax 17 ; X86-32-NEXT: movq %mm0, (%eax) 18 ; X86-32-NEXT: retl 19 ; 20 ; X86-64-LABEL: t1: 21 ; X86-64: ## BB#0: 22 ; X86-64-NEXT: movdq2q %xmm0, %mm0 23 ; X86-64-NEXT: movq _u1@{{.*}}(%rip), %rax 24 ; X86-64-NEXT: movq %mm0, (%rax) 25 ; X86-64-NEXT: retq 26 store x86_mmx %v1, x86_mmx* @u1, align 8 27 ret void 28 } 29 30 @u2 = external global x86_mmx 31 32 define void @t2(<1 x i64> %v1) nounwind { 33 ; X86-32-LABEL: t2: 34 ; X86-32: ## BB#0: 35 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %eax 36 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %ecx 37 ; X86-32-NEXT: movl L_u2$non_lazy_ptr, %edx 38 ; X86-32-NEXT: movl %ecx, 4(%edx) 39 ; X86-32-NEXT: movl %eax, (%edx) 40 ; X86-32-NEXT: retl 41 ; 42 ; X86-64-LABEL: t2: 43 ; X86-64: ## BB#0: 44 ; X86-64-NEXT: movq _u2@{{.*}}(%rip), %rax 45 ; X86-64-NEXT: movq %rdi, (%rax) 46 ; X86-64-NEXT: retq 47 %tmp = bitcast <1 x i64> %v1 to x86_mmx 48 store x86_mmx %tmp, x86_mmx* @u2, align 8 49 ret void 50 } 51
