llvm-project/llvm/test/CodeGen/X86/vec_ctbits.ll

144 lines
4.7 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s
declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1)
declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1)
declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>)
define <2 x i64> @footz(<2 x i64> %a) nounwind {
; CHECK-LABEL: footz:
; CHECK: # BB#0:
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsfq %rax, %rax
; CHECK-NEXT: movd %rax, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsfq %rax, %rax
; CHECK-NEXT: movd %rax, %xmm0
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true)
ret <2 x i64> %c
}
define <2 x i64> @foolz(<2 x i64> %a) nounwind {
; CHECK-LABEL: foolz:
; CHECK: # BB#0:
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsrq %rax, %rax
; CHECK-NEXT: xorq $63, %rax
; CHECK-NEXT: movd %rax, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsrq %rax, %rax
; CHECK-NEXT: xorq $63, %rax
; CHECK-NEXT: movd %rax, %xmm0
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 true)
ret <2 x i64> %c
}
define <2 x i64> @foopop(<2 x i64> %a) nounwind {
; CHECK-LABEL: foopop:
; CHECK: # BB#0:
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlq $1, %xmm1
; CHECK-NEXT: pand {{.*}}(%rip), %xmm1
; CHECK-NEXT: psubq %xmm1, %xmm0
; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [3689348814741910323,3689348814741910323]
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: pand %xmm1, %xmm2
; CHECK-NEXT: psrlq $2, %xmm0
; CHECK-NEXT: pand %xmm1, %xmm0
; CHECK-NEXT: paddq %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlq $4, %xmm1
; CHECK-NEXT: paddq %xmm0, %xmm1
; CHECK-NEXT: pand {{.*}}(%rip), %xmm1
; CHECK-NEXT: pxor %xmm0, %xmm0
; CHECK-NEXT: psadbw %xmm0, %xmm1
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
ret <2 x i64> %c
}
declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1)
declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1)
declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>)
define <2 x i32> @promtz(<2 x i32> %a) nounwind {
; CHECK-LABEL: promtz:
; CHECK: # BB#0:
; CHECK-NEXT: por {{.*}}(%rip), %xmm0
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsfq %rax, %rax
; CHECK-NEXT: movl $64, %ecx
; CHECK-NEXT: cmoveq %rcx, %rax
; CHECK-NEXT: movd %rax, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsfq %rax, %rax
; CHECK-NEXT: cmoveq %rcx, %rax
; CHECK-NEXT: movd %rax, %xmm0
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false)
ret <2 x i32> %c
}
define <2 x i32> @promlz(<2 x i32> %a) nounwind {
; CHECK-LABEL: promlz:
; CHECK: # BB#0:
; CHECK-NEXT: pand {{.*}}(%rip), %xmm0
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsrq %rax, %rax
; CHECK-NEXT: movl $127, %ecx
; CHECK-NEXT: cmoveq %rcx, %rax
; CHECK-NEXT: xorq $63, %rax
; CHECK-NEXT: movd %rax, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; CHECK-NEXT: movd %xmm0, %rax
; CHECK-NEXT: bsrq %rax, %rax
; CHECK-NEXT: cmoveq %rcx, %rax
; CHECK-NEXT: xorq $63, %rax
; CHECK-NEXT: movd %rax, %xmm0
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; CHECK-NEXT: psubq {{.*}}(%rip), %xmm1
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false)
ret <2 x i32> %c
}
define <2 x i32> @prompop(<2 x i32> %a) nounwind {
; CHECK-LABEL: prompop:
; CHECK: # BB#0:
; CHECK-NEXT: pand {{.*}}(%rip), %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlq $1, %xmm1
; CHECK-NEXT: pand {{.*}}(%rip), %xmm1
; CHECK-NEXT: psubq %xmm1, %xmm0
; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [3689348814741910323,3689348814741910323]
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: pand %xmm1, %xmm2
; CHECK-NEXT: psrlq $2, %xmm0
; CHECK-NEXT: pand %xmm1, %xmm0
; CHECK-NEXT: paddq %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlq $4, %xmm1
; CHECK-NEXT: paddq %xmm0, %xmm1
; CHECK-NEXT: pand {{.*}}(%rip), %xmm1
; CHECK-NEXT: pxor %xmm0, %xmm0
; CHECK-NEXT: psadbw %xmm0, %xmm1
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%c = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a)
ret <2 x i32> %c
}