68 lines · c
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-globals --global-value-regex ".*"2// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s3 4//.5// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }6//.7// CHECK-LABEL: @main(8// CHECK-NEXT: entry:9// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 410// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 411// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 812// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 7036874417766413// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 7036874417766414// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]15// CHECK-NEXT: br i1 [[TMP3]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]16// CHECK: if.then:17// CHECK-NEXT: store i32 1, ptr [[RETVAL]], align 418// CHECK-NEXT: br label [[RETURN:%.*]]19// CHECK: if.end:20// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 821// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 1793685726899222// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 1793685726899223// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]24// CHECK-NEXT: br i1 [[TMP7]], label [[IF_THEN1:%.*]], label [[IF_END2:%.*]]25// CHECK: if.then1:26// CHECK-NEXT: store i32 2, ptr [[RETVAL]], align 427// CHECK-NEXT: br label [[RETURN]]28// CHECK: if.end2:29// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 830// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 16213398476613299231// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 16213398476613299232// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]33// CHECK-NEXT: br i1 [[TMP11]], label [[IF_THEN3:%.*]], label [[IF_END4:%.*]]34// CHECK: if.then3:35// CHECK-NEXT: store i32 3, ptr [[RETVAL]], align 436// CHECK-NEXT: br label [[RETURN]]37// CHECK: if.end4:38// CHECK-NEXT: br i1 false, label [[IF_THEN5:%.*]], label [[IF_END6:%.*]]39// CHECK: if.then5:40// CHECK-NEXT: store i32 4, ptr [[RETVAL]], align 441// CHECK-NEXT: br label [[RETURN]]42// CHECK: if.end6:43// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 444// CHECK-NEXT: br label [[RETURN]]45// CHECK: return:46// CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[RETVAL]], align 447// CHECK-NEXT: ret i32 [[TMP12]]48//49int main(void) {50 if (__builtin_cpu_supports("sb"))51 return 1;52 53 if (__builtin_cpu_supports("sve2-aes+memtag"))54 return 2;55 56 if (__builtin_cpu_supports("sme2+wfxt"))57 return 3;58 59 if (__builtin_cpu_supports("avx2"))60 return 4;61 62 return 0;63}64//.65// CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}66// CHECK: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}67//.68