1 ; Test the UXTB and UXTH instructions. 2 3 ; NOTE: We use -O2 to get rid of memory stores. 4 5 ; REQUIRES: allow_dump 6 7 ; Compile using standalone assembler. 8 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -O2 \ 9 ; RUN: | FileCheck %s --check-prefix=ASM 10 11 ; Show bytes in assembled standalone code. 12 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \ 13 ; RUN: --args -O2 | FileCheck %s --check-prefix=DIS 14 15 ; Compile using integrated assembler. 16 ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -O2 \ 17 ; RUN: | FileCheck %s --check-prefix=IASM 18 19 ; Show bytes in assembled integrated code. 20 ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \ 21 ; RUN: --args -O2 | FileCheck %s --check-prefix=DIS 22 23 define internal i32 @_Z7testAddhh(i32 %a, i32 %b) { 24 ; ASM-LABEL: _Z7testAddhh: 25 ; DIS-LABEL: 00000000 <_Z7testAddhh>: 26 ; IASM-LABEL: _Z7testAddhh: 27 28 entry: 29 30 ; ASM-NEXT: .L_Z7testAddhh$entry: 31 ; IASM-NEXT: .L_Z7testAddhh$entry: 32 33 %a.arg_trunc = trunc i32 %a to i8 34 %conv = zext i8 %a.arg_trunc to i32 35 36 ; ASM-NEXT: uxtb r0, r0 37 ; DIS-NEXT: 0: e6ef0070 38 ; IASM-NEXT: .byte 0x70 39 ; IASM-NEXT: .byte 0x0 40 ; IASM-NEXT: .byte 0xef 41 ; IASM-NEXT: .byte 0xe6 42 43 %b.arg_trunc = trunc i32 %b to i8 44 %conv1 = zext i8 %b.arg_trunc to i32 45 46 ; ASM-NEXT: uxtb r1, r1 47 ; DIS-NEXT: 4: e6ef1071 48 ; IASM-NEXT: .byte 0x71 49 ; IASM-NEXT: .byte 0x10 50 ; IASM-NEXT: .byte 0xef 51 ; IASM-NEXT: .byte 0xe6 52 53 %add = add i32 %conv1, %conv 54 55 ; ASM-NEXT: add r1, r1, r0 56 ; DIS-NEXT: 8: e0811000 57 ; IASM-NEXT: .byte 0x0 58 ; IASM-NEXT: .byte 0x10 59 ; IASM-NEXT: .byte 0x81 60 ; IASM-NEXT: .byte 0xe0 61 62 %conv2 = trunc i32 %add to i16 63 %conv2.ret_ext = zext i16 %conv2 to i32 64 65 ; ASM-NEXT: uxth r1, r1 66 ; DIS-NEXT: c: e6ff1071 67 ; IASM-NEXT: .byte 0x71 68 ; IASM-NEXT: .byte 0x10 69 ; IASM-NEXT: .byte 0xff 70 ; IASM-NEXT: .byte 0xe6 71 72 ret i32 %conv2.ret_ext 73 74 ; ASM-NEXT: mov r0, r1 75 ; DIS-NEXT: 10: e1a00001 76 ; IASM-NEXT: .byte 0x1 77 ; IASM-NEXT: .byte 0x0 78 ; IASM-NEXT: .byte 0xa0 79 ; IASM-NEXT: .byte 0xe1 80 81 82 ; ASM-NEXT: bx lr 83 ; DIS-NEXT: 14: e12fff1e 84 ; IASM-NEXT: .byte 0x1e 85 ; IASM-NEXT: .byte 0xff 86 ; IASM-NEXT: .byte 0x2f 87 ; IASM-NEXT: .byte 0xe1 88 89 } 90
