reduce-trunc-shl.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+sse2 | FileCheck %s --check-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 | FileCheck %s --check-prefix=AVX2
define void @trunc_shl_7_v4i32_v4i64(<4 x i32> addrspace(1)* %out, <4 x i64> addrspace(1)* %in) {
; SSE2-LABEL: trunc_shl_7_v4i32_v4i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movaps (%rsi), %xmm0
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
; SSE2-NEXT: pslld $7, %xmm0
; SSE2-NEXT: movdqa %xmm0, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_7_v4i32_v4i64:
; AVX2: # %bb.0:
; AVX2-NEXT: vmovaps (%rsi), %xmm0
; AVX2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
; AVX2-NEXT: vpslld $7, %xmm0, %xmm0
; AVX2-NEXT: vmovdqa %xmm0, (%rdi)
; AVX2-NEXT: retq
%val = load <4 x i64>, <4 x i64> addrspace(1)* %in
%shl = shl <4 x i64> %val, <i64 7, i64 7, i64 7, i64 7>
%trunc = trunc <4 x i64> %shl to <4 x i32>
store <4 x i32> %trunc, <4 x i32> addrspace(1)* %out
ret void
}
define <8 x i16> @trunc_shl_15_v8i16_v8i32(<8 x i32> %a) {
; SSE2-LABEL: trunc_shl_15_v8i16_v8i32:
; SSE2: # %bb.0:
; SSE2-NEXT: pslld $16, %xmm1
; SSE2-NEXT: psrad $16, %xmm1
; SSE2-NEXT: pslld $16, %xmm0
; SSE2-NEXT: psrad $16, %xmm0
; SSE2-NEXT: packssdw %xmm1, %xmm0
; SSE2-NEXT: psllw $15, %xmm0
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_15_v8i16_v8i32:
; AVX2: # %bb.0:
; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,u,u,u,u,u,u,u,u,16,17,20,21,24,25,28,29,u,u,u,u,u,u,u,u]
; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; AVX2-NEXT: vpsllw $15, %xmm0, %xmm0
; AVX2-NEXT: vzeroupper
; AVX2-NEXT: retq
%shl = shl <8 x i32> %a, <i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
%conv = trunc <8 x i32> %shl to <8 x i16>
ret <8 x i16> %conv
}
define <8 x i16> @trunc_shl_16_v8i16_v8i32(<8 x i32> %a) {
; SSE2-LABEL: trunc_shl_16_v8i16_v8i32:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm0, %xmm0
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_16_v8i16_v8i32:
; AVX2: # %bb.0:
; AVX2-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX2-NEXT: retq
%shl = shl <8 x i32> %a, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
%conv = trunc <8 x i32> %shl to <8 x i16>
ret <8 x i16> %conv
}
define <8 x i16> @trunc_shl_17_v8i16_v8i32(<8 x i32> %a) {
; SSE2-LABEL: trunc_shl_17_v8i16_v8i32:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm0, %xmm0
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_17_v8i16_v8i32:
; AVX2: # %bb.0:
; AVX2-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX2-NEXT: retq
%shl = shl <8 x i32> %a, <i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17>
%conv = trunc <8 x i32> %shl to <8 x i16>
ret <8 x i16> %conv
}
define void @trunc_shl_31_i32_i64(i32* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_31_i32_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movl (%rsi), %eax
; SSE2-NEXT: shll $31, %eax
; SSE2-NEXT: movl %eax, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_31_i32_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movl (%rsi), %eax
; AVX2-NEXT: shll $31, %eax
; AVX2-NEXT: movl %eax, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 31
%trunc = trunc i64 %shl to i32
store i32 %trunc, i32* %out
ret void
}
define void @trunc_shl_32_i32_i64(i32* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_32_i32_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movl $0, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_32_i32_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movl $0, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 32
%trunc = trunc i64 %shl to i32
store i32 %trunc, i32* %out
ret void
}
define void @trunc_shl_15_i16_i64(i16* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_15_i16_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movl (%rsi), %eax
; SSE2-NEXT: shll $15, %eax
; SSE2-NEXT: movw %ax, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_15_i16_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movl (%rsi), %eax
; AVX2-NEXT: shll $15, %eax
; AVX2-NEXT: movw %ax, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 15
%trunc = trunc i64 %shl to i16
store i16 %trunc, i16* %out
ret void
}
define void @trunc_shl_16_i16_i64(i16* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_16_i16_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movw $0, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_16_i16_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movw $0, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 16
%trunc = trunc i64 %shl to i16
store i16 %trunc, i16* %out
ret void
}
define void @trunc_shl_7_i8_i64(i8* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_7_i8_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movb (%rsi), %al
; SSE2-NEXT: shlb $7, %al
; SSE2-NEXT: movb %al, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_7_i8_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movb (%rsi), %al
; AVX2-NEXT: shlb $7, %al
; AVX2-NEXT: movb %al, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 7
%trunc = trunc i64 %shl to i8
store i8 %trunc, i8* %out
ret void
}
define void @trunc_shl_8_i8_i64(i8* %out, i64* %in) {
; SSE2-LABEL: trunc_shl_8_i8_i64:
; SSE2: # %bb.0:
; SSE2-NEXT: movb $0, (%rdi)
; SSE2-NEXT: retq
;
; AVX2-LABEL: trunc_shl_8_i8_i64:
; AVX2: # %bb.0:
; AVX2-NEXT: movb $0, (%rdi)
; AVX2-NEXT: retq
%val = load i64, i64* %in
%shl = shl i64 %val, 8
%trunc = trunc i64 %shl to i8
store i8 %trunc, i8* %out
ret void
}