| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=thumbv7m-none-eabi | FileCheck %s --check-prefix=CHECK-T2NODSP |
| ; RUN: llc < %s -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefix=CHECK-T2DSP |
| ; RUN: llc < %s -mtriple=armv5te-none-none-eabi | FileCheck %s --check-prefix=CHECK-ARM |
| ; RUN: llc < %s -mtriple=armv8a-none-eabi | FileCheck %s --check-prefix=CHECK-ARM |
| |
| define i32 @qdadd(i32 %x, i32 %y) nounwind { |
| ; CHECK-T2NODSP-LABEL: qdadd: |
| ; CHECK-T2NODSP: @ %bb.0: |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r0 |
| ; CHECK-T2NODSP-NEXT: mov.w r2, #-2147483648 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r1 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: bx lr |
| ; |
| ; CHECK-T2DSP-LABEL: qdadd: |
| ; CHECK-T2DSP: @ %bb.0: |
| ; CHECK-T2DSP-NEXT: qdadd r0, r1, r0 |
| ; CHECK-T2DSP-NEXT: bx lr |
| ; |
| ; CHECK-ARM-LABEL: qdadd: |
| ; CHECK-ARM: @ %bb.0: |
| ; CHECK-ARM-NEXT: qdadd r0, r1, r0 |
| ; CHECK-ARM-NEXT: bx lr |
| %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x) |
| %tmp = call i32 @llvm.sadd.sat.i32(i32 %z, i32 %y) |
| ret i32 %tmp |
| } |
| |
| define i32 @qdadd_c(i32 %x, i32 %y) nounwind { |
| ; CHECK-T2NODSP-LABEL: qdadd_c: |
| ; CHECK-T2NODSP: @ %bb.0: |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r0 |
| ; CHECK-T2NODSP-NEXT: mov.w r2, #-2147483648 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r1 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: bx lr |
| ; |
| ; CHECK-T2DSP-LABEL: qdadd_c: |
| ; CHECK-T2DSP: @ %bb.0: |
| ; CHECK-T2DSP-NEXT: qdadd r0, r1, r0 |
| ; CHECK-T2DSP-NEXT: bx lr |
| ; |
| ; CHECK-ARM-LABEL: qdadd_c: |
| ; CHECK-ARM: @ %bb.0: |
| ; CHECK-ARM-NEXT: qdadd r0, r1, r0 |
| ; CHECK-ARM-NEXT: bx lr |
| %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x) |
| %tmp = call i32 @llvm.sadd.sat.i32(i32 %y, i32 %z) |
| ret i32 %tmp |
| } |
| |
| define i32 @qdsub(i32 %x, i32 %y) nounwind { |
| ; CHECK-T2NODSP-LABEL: qdsub: |
| ; CHECK-T2NODSP: @ %bb.0: |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r0 |
| ; CHECK-T2NODSP-NEXT: mov.w r2, #-2147483648 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: subs r0, r1, r0 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: bx lr |
| ; |
| ; CHECK-T2DSP-LABEL: qdsub: |
| ; CHECK-T2DSP: @ %bb.0: |
| ; CHECK-T2DSP-NEXT: qdsub r0, r1, r0 |
| ; CHECK-T2DSP-NEXT: bx lr |
| ; |
| ; CHECK-ARM-LABEL: qdsub: |
| ; CHECK-ARM: @ %bb.0: |
| ; CHECK-ARM-NEXT: qdsub r0, r1, r0 |
| ; CHECK-ARM-NEXT: bx lr |
| %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x) |
| %tmp = call i32 @llvm.ssub.sat.i32(i32 %y, i32 %z) |
| ret i32 %tmp |
| } |
| |
| define i32 @qdsub_c(i32 %x, i32 %y) nounwind { |
| ; CHECK-T2NODSP-LABEL: qdsub_c: |
| ; CHECK-T2NODSP: @ %bb.0: |
| ; CHECK-T2NODSP-NEXT: adds r0, r0, r0 |
| ; CHECK-T2NODSP-NEXT: mov.w r2, #-2147483648 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: subs r0, r0, r1 |
| ; CHECK-T2NODSP-NEXT: it vs |
| ; CHECK-T2NODSP-NEXT: eorvs.w r0, r2, r0, asr #31 |
| ; CHECK-T2NODSP-NEXT: bx lr |
| ; |
| ; CHECK-T2DSP-LABEL: qdsub_c: |
| ; CHECK-T2DSP: @ %bb.0: |
| ; CHECK-T2DSP-NEXT: qadd r0, r0, r0 |
| ; CHECK-T2DSP-NEXT: qsub r0, r0, r1 |
| ; CHECK-T2DSP-NEXT: bx lr |
| ; |
| ; CHECK-ARM-LABEL: qdsub_c: |
| ; CHECK-ARM: @ %bb.0: |
| ; CHECK-ARM-NEXT: qadd r0, r0, r0 |
| ; CHECK-ARM-NEXT: qsub r0, r0, r1 |
| ; CHECK-ARM-NEXT: bx lr |
| %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x) |
| %tmp = call i32 @llvm.ssub.sat.i32(i32 %z, i32 %y) |
| ret i32 %tmp |
| } |
| |
| declare i32 @llvm.sadd.sat.i32(i32, i32) |
| declare i32 @llvm.ssub.sat.i32(i32, i32) |