| ; Test that we correctly fix multiple forward branches. |
| |
| ; Compile using standalone assembler. |
| ; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -Om1 \ |
| ; RUN: | FileCheck %s --check-prefix=ASM |
| |
| ; Show bytes in assembled standalone code. |
| ; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \ |
| ; RUN: --args -Om1 | FileCheck %s --check-prefix=DIS |
| |
| ; Compile using integrated assembler. |
| ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -Om1 \ |
| ; RUN: | FileCheck %s --check-prefix=IASM |
| |
| ; Show bytes in assembled integrated code. |
| ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \ |
| ; RUN: --args -Om1 | FileCheck %s --check-prefix=DIS |
| |
| ; REQUIRES: allow_dump |
| |
| define internal void @mult_fwd_branches(i32 %a, i32 %b) { |
| ; ASM-LABEL:mult_fwd_branches: |
| ; DIS-LABEL:00000000 <mult_fwd_branches>: |
| ; IASM-LABEL:mult_fwd_branches: |
| |
| ; ASM-LABEL:.Lmult_fwd_branches$__0: |
| ; IASM-LABEL:.Lmult_fwd_branches$__0: |
| |
| ; ASM-NEXT: sub sp, sp, #12 |
| ; DIS-NEXT: 0: e24dd00c |
| ; IASM-NEXT: .byte 0xc |
| ; IASM-NEXT: .byte 0xd0 |
| ; IASM-NEXT: .byte 0x4d |
| ; IASM-NEXT: .byte 0xe2 |
| |
| ; ASM-NEXT: str r0, [sp, #8] |
| ; ASM-NEXT: # [sp, #8] = def.pseudo |
| ; DIS-NEXT: 4: e58d0008 |
| ; IASM-NEXT: .byte 0x8 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x8d |
| ; IASM-NEXT: .byte 0xe5 |
| |
| ; ASM-NEXT: str r1, [sp, #4] |
| ; ASM-NEXT: # [sp, #4] = def.pseudo |
| ; DIS-NEXT: 8: e58d1004 |
| ; IASM-NEXT: .byte 0x4 |
| ; IASM-NEXT: .byte 0x10 |
| ; IASM-NEXT: .byte 0x8d |
| ; IASM-NEXT: .byte 0xe5 |
| |
| %cmp = icmp slt i32 %a, %b |
| |
| ; ASM-NEXT: mov r0, #0 |
| ; DIS-NEXT: c: e3a00000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xa0 |
| ; IASM-NEXT: .byte 0xe3 |
| |
| ; ASM-NEXT: ldr r1, [sp, #8] |
| ; DIS-NEXT: 10: e59d1008 |
| ; IASM-NEXT: .byte 0x8 |
| ; IASM-NEXT: .byte 0x10 |
| ; IASM-NEXT: .byte 0x9d |
| ; IASM-NEXT: .byte 0xe5 |
| |
| ; ASM-NEXT: ldr r2, [sp, #4] |
| ; DIS-NEXT: 14: e59d2004 |
| ; IASM-NEXT: .byte 0x4 |
| ; IASM-NEXT: .byte 0x20 |
| ; IASM-NEXT: .byte 0x9d |
| ; IASM-NEXT: .byte 0xe5 |
| |
| ; ASM-NEXT: cmp r1, r2 |
| ; DIS-NEXT: 18: e1510002 |
| ; IASM-NEXT: .byte 0x2 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x51 |
| ; IASM-NEXT: .byte 0xe1 |
| |
| ; ASM-NEXT: movlt r0, #1 |
| ; DIS-NEXT: 1c: b3a00001 |
| ; IASM-NEXT: .byte 0x1 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xa0 |
| ; IASM-NEXT: .byte 0xb3 |
| |
| ; ASM-NEXT: strb r0, [sp] |
| ; ASM-NEXT: # [sp] = def.pseudo |
| ; DIS-NEXT: 20: e5cd0000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xcd |
| ; IASM-NEXT: .byte 0xe5 |
| |
| br i1 %cmp, label %then, label %else |
| |
| ; ASM-NEXT: ldrb r0, [sp] |
| ; DIS-NEXT: 24: e5dd0000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xdd |
| ; IASM-NEXT: .byte 0xe5 |
| |
| ; ASM-NEXT: tst r0, #1 |
| ; DIS-NEXT: 28: e3100001 |
| ; IASM-NEXT: .byte 0x1 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x10 |
| ; IASM-NEXT: .byte 0xe3 |
| |
| ; ASM-NEXT: bne .Lmult_fwd_branches$then |
| ; DIS-NEXT: 2c: 1a000000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x1a |
| |
| ; ASM-NEXT: b .Lmult_fwd_branches$else |
| ; DIS-NEXT: 30: ea000000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xea |
| |
| then: |
| ; ASM-LABEL:.Lmult_fwd_branches$then: |
| ; IASM-LABEL:.Lmult_fwd_branches$then: |
| |
| br label %end |
| |
| ; ASM-NEXT: b .Lmult_fwd_branches$end |
| ; DIS-NEXT: 34: ea000000 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0x0 |
| ; IASM-NEXT: .byte 0xea |
| |
| else: |
| ; ASM-LABEL:.Lmult_fwd_branches$else: |
| ; IASM-LABEL:.Lmult_fwd_branches$else: |
| |
| br label %end |
| ; ASM-NEXT: b .Lmult_fwd_branches$end |
| ; DIS-NEXT: 38: eaffffff |
| ; IASM-NEXT: .byte 0xff |
| ; IASM-NEXT: .byte 0xff |
| ; IASM-NEXT: .byte 0xff |
| ; IASM-NEXT: .byte 0xea |
| |
| |
| end: |
| ; ASM-LABEL:.Lmult_fwd_branches$end: |
| ; IASM-LABEL: .Lmult_fwd_branches$end: |
| |
| ret void |
| |
| ; ASM-NEXT: add sp, sp, #12 |
| ; DIS-NEXT: 3c: e28dd00c |
| ; IASM-NEXT: .byte 0xc |
| ; IASM-NEXT: .byte 0xd0 |
| ; IASM-NEXT: .byte 0x8d |
| ; IASM-NEXT: .byte 0xe2 |
| |
| ; ASM-NEXT: bx lr |
| ; DIS-NEXT: 40: e12fff1e |
| ; IASM-NEXT: .byte 0x1e |
| ; IASM-NEXT: .byte 0xff |
| ; IASM-NEXT: .byte 0x2f |
| ; IASM-NEXT: .byte 0xe1 |
| } |