| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -O2 -S \ |
| // RUN: -mllvm -prefer-predicate-over-epilogue=scalar-epilogue -o - %s -mvscale-min=2 -mvscale-max=2 | FileCheck %s --check-prefixes=CHECK,CHECK256 |
| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -O2 -S \ |
| // RUN: -mllvm -prefer-predicate-over-epilogue=scalar-epilogue -o - %s -mvscale-min=4 -mvscale-max=4 | FileCheck %s --check-prefixes=CHECK,CHECK512 |
| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -O2 -S \ |
| // RUN: -mllvm -prefer-predicate-over-epilogue=scalar-epilogue -o - %s -mvscale-min=8 -mvscale-max=8 | FileCheck %s --check-prefixes=CHECK,CHECK1024 |
| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -O2 -S \ |
| // RUN: -mllvm -prefer-predicate-over-epilogue=scalar-epilogue -o - %s -mvscale-min=16 -mvscale-max=16 | FileCheck %s --check-prefixes=CHECK,CHECK2048 |
| |
| // REQUIRES: aarch64-registered-target |
| |
| #include <arm_sve.h> |
| |
| void func(int *restrict a, int *restrict b) { |
| // CHECK-LABEL: func |
| // CHECK256-COUNT-8: st1w |
| // CHECK512-COUNT-4: st1w |
| // CHECK1024-COUNT-2: st1w |
| // CHECK2048-COUNT-1: st1w |
| #pragma clang loop vectorize(enable) |
| for (int i = 0; i < 64; ++i) |
| a[i] += b[i]; |
| } |
