1 ; This checks the correctness of the lowering code for the small 2 ; integer variants of sdiv and srem. 3 4 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -O2 | FileCheck %s 5 ; RUN: %p2i -i %s --filetype=obj --disassemble --args -Om1 | FileCheck %s 6 7 ; RUN: %if --need=target_MIPS32 --need=allow_dump \ 8 ; RUN: --command %p2i --filetype=asm --assemble --disassemble --target \ 9 ; RUN: mips32 -i %s --args -O2 -allow-externally-defined-symbols \ 10 ; RUN: | %if --need=target_MIPS32 --need=allow_dump \ 11 ; RUN: --command FileCheck --check-prefix MIPS32 %s 12 13 define internal i32 @sdiv_i8(i32 %a.i32, i32 %b.i32) { 14 entry: 15 %a = trunc i32 %a.i32 to i8 16 %b = trunc i32 %b.i32 to i8 17 %res = sdiv i8 %a, %b 18 %res.i32 = zext i8 %res to i32 19 ret i32 %res.i32 20 ; CHECK-LABEL: sdiv_i8 21 ; CHECK: cbw 22 ; CHECK: idiv 23 ; MIPS32-LABEL: sdiv_i8 24 ; MIPS32: div 25 ; MIPS32: teq 26 ; MIPS32: mflo 27 ; MIPS32: andi {{.*}},0xff 28 } 29 30 define internal i32 @sdiv_i16(i32 %a.i32, i32 %b.i32) { 31 entry: 32 %a = trunc i32 %a.i32 to i16 33 %b = trunc i32 %b.i32 to i16 34 %res = sdiv i16 %a, %b 35 %res.i32 = zext i16 %res to i32 36 ret i32 %res.i32 37 ; CHECK-LABEL: sdiv_i16 38 ; CHECK: cwd 39 ; CHECK: idiv 40 ; MIPS32-LABEL: sdiv_i16 41 ; MIPS32: div 42 ; MIPS32: teq 43 ; MIPS32: mflo 44 ; MIPS32: andi {{.*}},0xffff 45 } 46 47 define internal i32 @sdiv_i32(i32 %a, i32 %b) { 48 entry: 49 %res = sdiv i32 %a, %b 50 ret i32 %res 51 ; CHECK-LABEL: sdiv_i32 52 ; CHECK: cdq 53 ; CHECK: idiv 54 ; MIPS32-LABEL: sdiv_i32 55 ; MIPS32: div 56 ; MIPS32: teq 57 ; MIPS32: mflo 58 } 59 60 define internal i32 @srem_i8(i32 %a.i32, i32 %b.i32) { 61 entry: 62 %a = trunc i32 %a.i32 to i8 63 %b = trunc i32 %b.i32 to i8 64 %res = srem i8 %a, %b 65 %res.i32 = zext i8 %res to i32 66 ret i32 %res.i32 67 ; CHECK-LABEL: srem_i8 68 ; CHECK: cbw 69 ; CHECK: idiv 70 ; MIPS32-LABEL: srem_i8 71 ; MIPS32: div 72 ; MIPS32: teq 73 ; MIPS32: mfhi 74 ; MIPS32: andi {{.*}},0xff 75 } 76 77 define internal i32 @srem_i16(i32 %a.i32, i32 %b.i32) { 78 entry: 79 %a = trunc i32 %a.i32 to i16 80 %b = trunc i32 %b.i32 to i16 81 %res = srem i16 %a, %b 82 %res.i32 = zext i16 %res to i32 83 ret i32 %res.i32 84 ; CHECK-LABEL: srem_i16 85 ; CHECK: cwd 86 ; CHECK: idiv 87 ; MIPS32-LABEL: srem_i16 88 ; MIPS32: div 89 ; MIPS32: teq 90 ; MIPS32: mfhi 91 ; MIPS32: andi {{.*}},0xffff 92 } 93 94 define internal i32 @srem_i32(i32 %a, i32 %b) { 95 entry: 96 %res = srem i32 %a, %b 97 ret i32 %res 98 ; CHECK-LABEL: srem_i32 99 ; CHECK: cdq 100 ; CHECK: idiv 101 ; MIPS32-LABEL: srem_i32 102 ; MIPS32: div 103 ; MIPS32: teq 104 ; MIPS32: mfhi 105 } 106