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140 lines
4.8 KiB
LLVM
140 lines
4.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64
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define void @big_nonzero_16_bytes(i32* nocapture %a) {
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; X32-LABEL: big_nonzero_16_bytes:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $1, (%eax)
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; X32-NEXT: movl $2, 4(%eax)
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; X32-NEXT: movl $3, 8(%eax)
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; X32-NEXT: movl $4, 12(%eax)
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; X32-NEXT: retl
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;
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; X64-LABEL: big_nonzero_16_bytes:
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; X64: # BB#0:
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; X64-NEXT: movabsq $8589934593, %rax # imm = 0x200000001
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; X64-NEXT: movq %rax, (%rdi)
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; X64-NEXT: movabsq $17179869187, %rax # imm = 0x400000003
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; X64-NEXT: movq %rax, 8(%rdi)
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; X64-NEXT: retq
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%arrayidx1 = getelementptr inbounds i32, i32* %a, i64 1
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%arrayidx2 = getelementptr inbounds i32, i32* %a, i64 2
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%arrayidx3 = getelementptr inbounds i32, i32* %a, i64 3
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store i32 1, i32* %a, align 4
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store i32 2, i32* %arrayidx1, align 4
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store i32 3, i32* %arrayidx2, align 4
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store i32 4, i32* %arrayidx3, align 4
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ret void
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}
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; Splats may be an opportunity to use a broadcast op.
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define void @big_nonzero_32_bytes_splat(i32* nocapture %a) {
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; X32-LABEL: big_nonzero_32_bytes_splat:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $42, (%eax)
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; X32-NEXT: movl $42, 4(%eax)
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; X32-NEXT: movl $42, 8(%eax)
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; X32-NEXT: movl $42, 12(%eax)
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; X32-NEXT: movl $42, 16(%eax)
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; X32-NEXT: movl $42, 20(%eax)
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; X32-NEXT: movl $42, 24(%eax)
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; X32-NEXT: movl $42, 28(%eax)
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; X32-NEXT: retl
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;
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; X64-LABEL: big_nonzero_32_bytes_splat:
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; X64: # BB#0:
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; X64-NEXT: movabsq $180388626474, %rax # imm = 0x2A0000002A
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; X64-NEXT: movq %rax, (%rdi)
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; X64-NEXT: movq %rax, 8(%rdi)
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; X64-NEXT: movq %rax, 16(%rdi)
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; X64-NEXT: movq %rax, 24(%rdi)
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; X64-NEXT: retq
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%arrayidx1 = getelementptr inbounds i32, i32* %a, i64 1
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%arrayidx2 = getelementptr inbounds i32, i32* %a, i64 2
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%arrayidx3 = getelementptr inbounds i32, i32* %a, i64 3
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%arrayidx4 = getelementptr inbounds i32, i32* %a, i64 4
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%arrayidx5 = getelementptr inbounds i32, i32* %a, i64 5
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%arrayidx6 = getelementptr inbounds i32, i32* %a, i64 6
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%arrayidx7 = getelementptr inbounds i32, i32* %a, i64 7
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store i32 42, i32* %a, align 4
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store i32 42, i32* %arrayidx1, align 4
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store i32 42, i32* %arrayidx2, align 4
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store i32 42, i32* %arrayidx3, align 4
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store i32 42, i32* %arrayidx4, align 4
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store i32 42, i32* %arrayidx5, align 4
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store i32 42, i32* %arrayidx6, align 4
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store i32 42, i32* %arrayidx7, align 4
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ret void
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}
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; Verify that we choose the best-sized store(s) for each chunk.
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define void @big_nonzero_63_bytes(i8* nocapture %a) {
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; X32-LABEL: big_nonzero_63_bytes:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $0, 4(%eax)
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; X32-NEXT: movl $1, (%eax)
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; X32-NEXT: movl $0, 12(%eax)
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; X32-NEXT: movl $2, 8(%eax)
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; X32-NEXT: movl $0, 20(%eax)
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; X32-NEXT: movl $3, 16(%eax)
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; X32-NEXT: movl $0, 28(%eax)
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; X32-NEXT: movl $4, 24(%eax)
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; X32-NEXT: movl $0, 36(%eax)
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; X32-NEXT: movl $5, 32(%eax)
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; X32-NEXT: movl $0, 44(%eax)
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; X32-NEXT: movl $6, 40(%eax)
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; X32-NEXT: movl $0, 52(%eax)
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; X32-NEXT: movl $7, 48(%eax)
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; X32-NEXT: movl $8, 56(%eax)
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; X32-NEXT: movw $9, 60(%eax)
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; X32-NEXT: movb $10, 62(%eax)
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; X32-NEXT: retl
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;
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; X64-LABEL: big_nonzero_63_bytes:
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; X64: # BB#0:
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; X64-NEXT: movq $1, (%rdi)
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; X64-NEXT: movq $2, 8(%rdi)
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; X64-NEXT: movq $3, 16(%rdi)
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; X64-NEXT: movq $4, 24(%rdi)
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; X64-NEXT: movq $5, 32(%rdi)
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; X64-NEXT: movq $6, 40(%rdi)
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; X64-NEXT: movq $7, 48(%rdi)
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; X64-NEXT: movl $8, 56(%rdi)
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; X64-NEXT: movw $9, 60(%rdi)
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; X64-NEXT: movb $10, 62(%rdi)
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; X64-NEXT: retq
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%a8 = bitcast i8* %a to i64*
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%arrayidx8 = getelementptr inbounds i64, i64* %a8, i64 1
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%arrayidx16 = getelementptr inbounds i64, i64* %a8, i64 2
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%arrayidx24 = getelementptr inbounds i64, i64* %a8, i64 3
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%arrayidx32 = getelementptr inbounds i64, i64* %a8, i64 4
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%arrayidx40 = getelementptr inbounds i64, i64* %a8, i64 5
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%arrayidx48 = getelementptr inbounds i64, i64* %a8, i64 6
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%a4 = bitcast i8* %a to i32*
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%arrayidx56 = getelementptr inbounds i32, i32* %a4, i64 14
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%a2 = bitcast i8* %a to i16*
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%arrayidx60 = getelementptr inbounds i16, i16* %a2, i64 30
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%arrayidx62 = getelementptr inbounds i8, i8* %a, i64 62
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store i64 1, i64* %a8
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store i64 2, i64* %arrayidx8
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store i64 3, i64* %arrayidx16
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store i64 4, i64* %arrayidx24
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store i64 5, i64* %arrayidx32
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store i64 6, i64* %arrayidx40
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store i64 7, i64* %arrayidx48
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store i32 8, i32* %arrayidx56
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store i16 9, i16* %arrayidx60
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store i8 10, i8* %arrayidx62
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ret void
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}
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