sdiv-exact.ll
6.14 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefix=X64
define i32 @test1(i32 %x) {
; X86-LABEL: test1:
; X86: # %bb.0:
; X86-NEXT: imull $-1030792151, {{[0-9]+}}(%esp), %eax # imm = 0xC28F5C29
; X86-NEXT: retl
;
; X64-LABEL: test1:
; X64: # %bb.0:
; X64-NEXT: imull $-1030792151, %edi, %eax # imm = 0xC28F5C29
; X64-NEXT: retq
%div = sdiv exact i32 %x, 25
ret i32 %div
}
define i32 @test2(i32 %x) {
; X86-LABEL: test2:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: sarl $3, %eax
; X86-NEXT: imull $-1431655765, %eax, %eax # imm = 0xAAAAAAAB
; X86-NEXT: retl
;
; X64-LABEL: test2:
; X64: # %bb.0:
; X64-NEXT: sarl $3, %edi
; X64-NEXT: imull $-1431655765, %edi, %eax # imm = 0xAAAAAAAB
; X64-NEXT: retq
%div = sdiv exact i32 %x, 24
ret i32 %div
}
define <4 x i32> @test3(<4 x i32> %x) {
; X86-LABEL: test3:
; X86: # %bb.0:
; X86-NEXT: psrad $3, %xmm0
; X86-NEXT: movdqa {{.*#+}} xmm1 = [2863311531,2863311531,2863311531,2863311531]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
; X86-NEXT: pmuludq %xmm1, %xmm0
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X86-NEXT: pmuludq %xmm1, %xmm2
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: retl
;
; X64-LABEL: test3:
; X64: # %bb.0:
; X64-NEXT: vpsrad $3, %xmm0, %xmm0
; X64-NEXT: vpbroadcastd {{.*#+}} xmm1 = [2863311531,2863311531,2863311531,2863311531]
; X64-NEXT: vpmulld %xmm1, %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 24, i32 24, i32 24, i32 24>
ret <4 x i32> %div
}
define <4 x i32> @test4(<4 x i32> %x) {
; X86-LABEL: test4:
; X86: # %bb.0:
; X86-NEXT: movdqa {{.*#+}} xmm1 = [3264175145,3264175145,3264175145,3264175145]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
; X86-NEXT: pmuludq %xmm1, %xmm0
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X86-NEXT: pmuludq %xmm1, %xmm2
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: retl
;
; X64-LABEL: test4:
; X64: # %bb.0:
; X64-NEXT: vpbroadcastd {{.*#+}} xmm1 = [3264175145,3264175145,3264175145,3264175145]
; X64-NEXT: vpmulld %xmm1, %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 25, i32 25, i32 25, i32 25>
ret <4 x i32> %div
}
define <4 x i32> @test5(<4 x i32> %x) {
; X86-LABEL: test5:
; X86: # %bb.0:
; X86-NEXT: movdqa %xmm0, %xmm1
; X86-NEXT: psrad $3, %xmm1
; X86-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[2,3]
; X86-NEXT: movdqa {{.*#+}} xmm2 = [2863311531,2863311531,3264175145,3264175145]
; X86-NEXT: movaps %xmm1, %xmm0
; X86-NEXT: pmuludq %xmm2, %xmm0
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X86-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,3,3]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
; X86-NEXT: pmuludq %xmm1, %xmm2
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: retl
;
; X64-LABEL: test5:
; X64: # %bb.0:
; X64-NEXT: vpsravd {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpmulld {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 24, i32 24, i32 25, i32 25>
ret <4 x i32> %div
}
define <4 x i32> @test6(<4 x i32> %x) {
; X86-LABEL: test6:
; X86: # %bb.0:
; X86-NEXT: movdqa %xmm0, %xmm1
; X86-NEXT: psrad $3, %xmm1
; X86-NEXT: psrad $1, %xmm0
; X86-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; X86-NEXT: movdqa {{.*#+}} xmm2 = [2863311531,2863311531,3303820997,3303820997]
; X86-NEXT: movapd %xmm0, %xmm1
; X86-NEXT: pmuludq %xmm2, %xmm1
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
; X86-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,3,3]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
; X86-NEXT: pmuludq %xmm0, %xmm2
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X86-NEXT: movdqa %xmm1, %xmm0
; X86-NEXT: retl
;
; X64-LABEL: test6:
; X64: # %bb.0:
; X64-NEXT: vpsravd {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpmulld {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 24, i32 24, i32 26, i32 26>
ret <4 x i32> %div
}
define <4 x i32> @test7(<4 x i32> %x) {
; X86-LABEL: test7:
; X86: # %bb.0:
; X86-NEXT: movdqa {{.*#+}} xmm1 = [3264175145,3264175145,1749801491,1749801491]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
; X86-NEXT: pmuludq %xmm1, %xmm0
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
; X86-NEXT: pmuludq %xmm2, %xmm1
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: retl
;
; X64-LABEL: test7:
; X64: # %bb.0:
; X64-NEXT: vpmulld {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 25, i32 25, i32 27, i32 27>
ret <4 x i32> %div
}
define <4 x i32> @test8(<4 x i32> %x) {
; X86-LABEL: test8:
; X86: # %bb.0:
; X86-NEXT: movdqa %xmm0, %xmm1
; X86-NEXT: psrad $3, %xmm1
; X86-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; X86-NEXT: movdqa {{.*#+}} xmm2 = [1,1,2863311531,2863311531]
; X86-NEXT: movapd %xmm1, %xmm0
; X86-NEXT: pmuludq %xmm2, %xmm0
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X86-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,3,3]
; X86-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
; X86-NEXT: pmuludq %xmm1, %xmm2
; X86-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
; X86-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-NEXT: retl
;
; X64-LABEL: test8:
; X64: # %bb.0:
; X64-NEXT: vpsravd {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpmulld {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: retq
%div = sdiv exact <4 x i32> %x, <i32 1, i32 1, i32 24, i32 24>
ret <4 x i32> %div
}