xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/sdiv-exact.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=x86 -mattr=+sse2 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %x) {
4*9880d681SAndroid Build Coastguard Worker  %div = sdiv exact i32 %x, 25
5*9880d681SAndroid Build Coastguard Worker  ret i32 %div
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1:
7*9880d681SAndroid Build Coastguard Worker; CHECK: imull	$-1030792151, 4(%esp)
8*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
9*9880d681SAndroid Build Coastguard Worker}
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %x) {
12*9880d681SAndroid Build Coastguard Worker  %div = sdiv exact i32 %x, 24
13*9880d681SAndroid Build Coastguard Worker  ret i32 %div
14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2:
15*9880d681SAndroid Build Coastguard Worker; CHECK: sarl	$3
16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: imull	$-1431655765
17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
18*9880d681SAndroid Build Coastguard Worker}
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerdefine <4 x i32> @test3(<4 x i32> %x) {
21*9880d681SAndroid Build Coastguard Worker  %div = sdiv exact <4 x i32> %x, <i32 24, i32 24, i32 24, i32 24>
22*9880d681SAndroid Build Coastguard Worker  ret <4 x i32> %div
23*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test3:
24*9880d681SAndroid Build Coastguard Worker; CHECK: psrad	$3,
25*9880d681SAndroid Build Coastguard Worker; CHECK: pmuludq
26*9880d681SAndroid Build Coastguard Worker; CHECK: pmuludq
27*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: psrad
28*9880d681SAndroid Build Coastguard Worker; CHECK: ret
29*9880d681SAndroid Build Coastguard Worker}
30