; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-linux-gnu -fast-isel=0 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,ISEL ; RUN: llc -mtriple=aarch64-linux-gnu -fast-isel=1 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,FAST define i32 @test1(i32 %x) { ; ISEL-LABEL: test1: ; ISEL: // %bb.0: ; ISEL-NEXT: add w8, w0, #7 ; ISEL-NEXT: cmp w0, #0 ; ISEL-NEXT: csel w8, w8, w0, mi ; ISEL-NEXT: asr w0, w8, #3 ; ISEL-NEXT: ret ; ; FAST-LABEL: test1: ; FAST: // %bb.0: ; FAST-NEXT: add w8, w0, #7 ; FAST-NEXT: cmp w0, #0 ; FAST-NEXT: csel w8, w8, w0, lt ; FAST-NEXT: asr w0, w8, #3 ; FAST-NEXT: ret %div = sdiv i32 %x, 8 ret i32 %div } define i32 @test2(i32 %x) { ; ISEL-LABEL: test2: ; ISEL: // %bb.0: ; ISEL-NEXT: add w8, w0, #7 ; ISEL-NEXT: cmp w0, #0 ; ISEL-NEXT: csel w8, w8, w0, mi ; ISEL-NEXT: neg w0, w8, asr #3 ; ISEL-NEXT: ret ; ; FAST-LABEL: test2: ; FAST: // %bb.0: ; FAST-NEXT: add w8, w0, #7 ; FAST-NEXT: cmp w0, #0 ; FAST-NEXT: csel w8, w8, w0, lt ; FAST-NEXT: neg w0, w8, asr #3 ; FAST-NEXT: ret %div = sdiv i32 %x, -8 ret i32 %div } define i32 @test3(i32 %x) { ; ISEL-LABEL: test3: ; ISEL: // %bb.0: ; ISEL-NEXT: add w8, w0, #31 ; ISEL-NEXT: cmp w0, #0 ; ISEL-NEXT: csel w8, w8, w0, mi ; ISEL-NEXT: asr w0, w8, #5 ; ISEL-NEXT: ret ; ; FAST-LABEL: test3: ; FAST: // %bb.0: ; FAST-NEXT: add w8, w0, #31 ; FAST-NEXT: cmp w0, #0 ; FAST-NEXT: csel w8, w8, w0, lt ; FAST-NEXT: asr w0, w8, #5 ; FAST-NEXT: ret %div = sdiv i32 %x, 32 ret i32 %div } define i64 @test4(i64 %x) { ; ISEL-LABEL: test4: ; ISEL: // %bb.0: ; ISEL-NEXT: add x8, x0, #7 ; ISEL-NEXT: cmp x0, #0 ; ISEL-NEXT: csel x8, x8, x0, mi ; ISEL-NEXT: asr x0, x8, #3 ; ISEL-NEXT: ret ; ; FAST-LABEL: test4: ; FAST: // %bb.0: ; FAST-NEXT: add x8, x0, #7 ; FAST-NEXT: cmp x0, #0 ; FAST-NEXT: csel x8, x8, x0, lt ; FAST-NEXT: asr x0, x8, #3 ; FAST-NEXT: ret %div = sdiv i64 %x, 8 ret i64 %div } define i64 @test5(i64 %x) { ; ISEL-LABEL: test5: ; ISEL: // %bb.0: ; ISEL-NEXT: add x8, x0, #7 ; ISEL-NEXT: cmp x0, #0 ; ISEL-NEXT: csel x8, x8, x0, mi ; ISEL-NEXT: neg x0, x8, asr #3 ; ISEL-NEXT: ret ; ; FAST-LABEL: test5: ; FAST: // %bb.0: ; FAST-NEXT: add x8, x0, #7 ; FAST-NEXT: cmp x0, #0 ; FAST-NEXT: csel x8, x8, x0, lt ; FAST-NEXT: neg x0, x8, asr #3 ; FAST-NEXT: ret %div = sdiv i64 %x, -8 ret i64 %div } define i64 @test6(i64 %x) { ; ISEL-LABEL: test6: ; ISEL: // %bb.0: ; ISEL-NEXT: add x8, x0, #63 ; ISEL-NEXT: cmp x0, #0 ; ISEL-NEXT: csel x8, x8, x0, mi ; ISEL-NEXT: asr x0, x8, #6 ; ISEL-NEXT: ret ; ; FAST-LABEL: test6: ; FAST: // %bb.0: ; FAST-NEXT: add x8, x0, #63 ; FAST-NEXT: cmp x0, #0 ; FAST-NEXT: csel x8, x8, x0, lt ; FAST-NEXT: asr x0, x8, #6 ; FAST-NEXT: ret %div = sdiv i64 %x, 64 ret i64 %div } define i64 @test7(i64 %x) { ; ISEL-LABEL: test7: ; ISEL: // %bb.0: ; ISEL-NEXT: mov x8, #281474976710655 // =0xffffffffffff ; ISEL-NEXT: cmp x0, #0 ; ISEL-NEXT: add x8, x0, x8 ; ISEL-NEXT: csel x8, x8, x0, mi ; ISEL-NEXT: asr x0, x8, #48 ; ISEL-NEXT: ret ; ; FAST-LABEL: test7: ; FAST: // %bb.0: ; FAST-NEXT: mov x8, #281474976710655 // =0xffffffffffff ; FAST-NEXT: cmp x0, #0 ; FAST-NEXT: add x8, x0, x8 ; FAST-NEXT: csel x8, x8, x0, lt ; FAST-NEXT: asr x0, x8, #48 ; FAST-NEXT: ret %div = sdiv i64 %x, 281474976710656 ret i64 %div } define i64 @test8(i64 %x) { ; ISEL-LABEL: test8: ; ISEL: // %bb.0: ; ISEL-NEXT: add x8, x0, x0, lsr #63 ; ISEL-NEXT: asr x0, x8, #1 ; ISEL-NEXT: ret ; ; FAST-LABEL: test8: ; FAST: // %bb.0: ; FAST-NEXT: add x8, x0, #1 ; FAST-NEXT: cmp x0, #0 ; FAST-NEXT: csel x8, x8, x0, lt ; FAST-NEXT: asr x0, x8, #1 ; FAST-NEXT: ret %div = sdiv i64 %x, 2 ret i64 %div } define i32 @sdiv_int(i32 %begin, i32 %first) #0 { ; ISEL-LABEL: sdiv_int: ; ISEL: // %bb.0: ; ISEL-NEXT: sub w8, w0, w1 ; ISEL-NEXT: add w8, w8, #1 ; ISEL-NEXT: add w8, w8, w8, lsr #31 ; ISEL-NEXT: sub w0, w0, w8, asr #1 ; ISEL-NEXT: ret ; ; FAST-LABEL: sdiv_int: ; FAST: // %bb.0: ; FAST-NEXT: add w8, w0, #1 ; FAST-NEXT: sub w8, w8, w1 ; FAST-NEXT: add w9, w8, #1 ; FAST-NEXT: cmp w8, #0 ; FAST-NEXT: csel w8, w9, w8, lt ; FAST-NEXT: neg w8, w8, asr #1 ; FAST-NEXT: add w0, w8, w0 ; FAST-NEXT: ret %sub = add i32 %begin, 1 %add = sub i32 %sub, %first %div.neg = sdiv i32 %add, -2 %sub1 = add i32 %div.neg, %begin ret i32 %sub1 } attributes #0 = { "target-features"="+sve" vscale_range(2,2) } ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: ; CHECK: {{.*}}