; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64 define void @big_nonzero_16_bytes(ptr nocapture %a) { ; X32-LABEL: big_nonzero_16_bytes: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vmovaps {{.*#+}} xmm0 = [1,2,3,4] ; X32-NEXT: vmovups %xmm0, (%eax) ; X32-NEXT: retl ; ; X64-LABEL: big_nonzero_16_bytes: ; X64: # %bb.0: ; X64-NEXT: vmovaps {{.*#+}} xmm0 = [1,2,3,4] ; X64-NEXT: vmovups %xmm0, (%rdi) ; X64-NEXT: retq %arrayidx1 = getelementptr inbounds i32, ptr %a, i64 1 %arrayidx2 = getelementptr inbounds i32, ptr %a, i64 2 %arrayidx3 = getelementptr inbounds i32, ptr %a, i64 3 store i32 1, ptr %a, align 4 store i32 2, ptr %arrayidx1, align 4 store i32 3, ptr %arrayidx2, align 4 store i32 4, ptr %arrayidx3, align 4 ret void } ; TODO: We assumed that two 64-bit stores were better than 1 vector load and 1 vector store. ; But if the 64-bit constants can't be represented as sign-extended 32-bit constants, then ; it takes extra instructions to do this in scalar. define void @big_nonzero_16_bytes_big64bit_constants(ptr nocapture %a) { ; X32-LABEL: big_nonzero_16_bytes_big64bit_constants: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vmovaps {{.*#+}} xmm0 = [1,1,1,3] ; X32-NEXT: vmovups %xmm0, (%eax) ; X32-NEXT: retl ; ; X64-LABEL: big_nonzero_16_bytes_big64bit_constants: ; X64: # %bb.0: ; X64-NEXT: movabsq $4294967297, %rax # imm = 0x100000001 ; X64-NEXT: movq %rax, (%rdi) ; X64-NEXT: movabsq $12884901889, %rax # imm = 0x300000001 ; X64-NEXT: movq %rax, 8(%rdi) ; X64-NEXT: retq %arrayidx1 = getelementptr inbounds i64, ptr %a, i64 1 store i64 4294967297, ptr %a store i64 12884901889, ptr %arrayidx1 ret void } ; Splats may be an opportunity to use a broadcast op. define void @big_nonzero_32_bytes_splat(ptr nocapture %a) { ; X32-LABEL: big_nonzero_32_bytes_splat: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vmovaps {{.*#+}} ymm0 = [42,42,42,42,42,42,42,42] ; X32-NEXT: vmovups %ymm0, (%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: big_nonzero_32_bytes_splat: ; X64: # %bb.0: ; X64-NEXT: vmovaps {{.*#+}} ymm0 = [42,42,42,42,42,42,42,42] ; X64-NEXT: vmovups %ymm0, (%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %arrayidx1 = getelementptr inbounds i32, ptr %a, i64 1 %arrayidx2 = getelementptr inbounds i32, ptr %a, i64 2 %arrayidx3 = getelementptr inbounds i32, ptr %a, i64 3 %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 4 %arrayidx5 = getelementptr inbounds i32, ptr %a, i64 5 %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 6 %arrayidx7 = getelementptr inbounds i32, ptr %a, i64 7 store i32 42, ptr %a, align 4 store i32 42, ptr %arrayidx1, align 4 store i32 42, ptr %arrayidx2, align 4 store i32 42, ptr %arrayidx3, align 4 store i32 42, ptr %arrayidx4, align 4 store i32 42, ptr %arrayidx5, align 4 store i32 42, ptr %arrayidx6, align 4 store i32 42, ptr %arrayidx7, align 4 ret void } ; Verify that we choose the best-sized store(s) for each chunk. define void @big_nonzero_63_bytes(ptr nocapture %a) { ; X32-LABEL: big_nonzero_63_bytes: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: vmovaps {{.*#+}} ymm0 = [1,0,2,0,3,0,4,0] ; X32-NEXT: vmovups %ymm0, (%eax) ; X32-NEXT: vmovaps {{.*#+}} xmm0 = [5,0,6,0] ; X32-NEXT: vmovups %xmm0, 32(%eax) ; X32-NEXT: movl $0, 52(%eax) ; X32-NEXT: movl $7, 48(%eax) ; X32-NEXT: movl $8, 56(%eax) ; X32-NEXT: movw $9, 60(%eax) ; X32-NEXT: movb $10, 62(%eax) ; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: big_nonzero_63_bytes: ; X64: # %bb.0: ; X64-NEXT: vmovaps {{.*#+}} ymm0 = [1,2,3,4] ; X64-NEXT: vmovups %ymm0, (%rdi) ; X64-NEXT: movq $5, 32(%rdi) ; X64-NEXT: movq $6, 40(%rdi) ; X64-NEXT: movq $7, 48(%rdi) ; X64-NEXT: movl $8, 56(%rdi) ; X64-NEXT: movw $9, 60(%rdi) ; X64-NEXT: movb $10, 62(%rdi) ; X64-NEXT: vzeroupper ; X64-NEXT: retq %arrayidx8 = getelementptr inbounds i64, ptr %a, i64 1 %arrayidx16 = getelementptr inbounds i64, ptr %a, i64 2 %arrayidx24 = getelementptr inbounds i64, ptr %a, i64 3 %arrayidx32 = getelementptr inbounds i64, ptr %a, i64 4 %arrayidx40 = getelementptr inbounds i64, ptr %a, i64 5 %arrayidx48 = getelementptr inbounds i64, ptr %a, i64 6 %arrayidx56 = getelementptr inbounds i32, ptr %a, i64 14 %arrayidx60 = getelementptr inbounds i16, ptr %a, i64 30 %arrayidx62 = getelementptr inbounds i8, ptr %a, i64 62 store i64 1, ptr %a store i64 2, ptr %arrayidx8 store i64 3, ptr %arrayidx16 store i64 4, ptr %arrayidx24 store i64 5, ptr %arrayidx32 store i64 6, ptr %arrayidx40 store i64 7, ptr %arrayidx48 store i32 8, ptr %arrayidx56 store i16 9, ptr %arrayidx60 store i8 10, ptr %arrayidx62 ret void }