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TheRock/compiler/amd-llvm/clang/test/CodeGen/AArch64/cpu-supports.c
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

67 lines
2.7 KiB
C

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-globals --global-value-regex ".*"
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s
//.
// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
//.
// CHECK-LABEL: @main(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 70368744177664
// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 70368744177664
// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT: br i1 [[TMP3]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
// CHECK: if.then:
// CHECK-NEXT: store i32 1, ptr [[RETVAL]], align 4
// CHECK-NEXT: br label [[RETURN:%.*]]
// CHECK: if.end:
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 17936857268992
// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 17936857268992
// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
// CHECK-NEXT: br i1 [[TMP7]], label [[IF_THEN1:%.*]], label [[IF_END2:%.*]]
// CHECK: if.then1:
// CHECK-NEXT: store i32 2, ptr [[RETVAL]], align 4
// CHECK-NEXT: br label [[RETURN]]
// CHECK: if.end2:
// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 162133984766132992
// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 162133984766132992
// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
// CHECK-NEXT: br i1 [[TMP11]], label [[IF_THEN3:%.*]], label [[IF_END4:%.*]]
// CHECK: if.then3:
// CHECK-NEXT: store i32 3, ptr [[RETVAL]], align 4
// CHECK-NEXT: br label [[RETURN]]
// CHECK: if.end4:
// CHECK-NEXT: br i1 false, label [[IF_THEN5:%.*]], label [[IF_END6:%.*]]
// CHECK: if.then5:
// CHECK-NEXT: store i32 4, ptr [[RETVAL]], align 4
// CHECK-NEXT: br label [[RETURN]]
// CHECK: if.end6:
// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 4
// CHECK-NEXT: br label [[RETURN]]
// CHECK: return:
// CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[RETVAL]], align 4
// CHECK-NEXT: ret i32 [[TMP12]]
//
int main(void) {
if (__builtin_cpu_supports("sb"))
return 1;
if (__builtin_cpu_supports("sve2-aes+memtag"))
return 2;
if (__builtin_cpu_supports("sme2+wfxt"))
return 3;
if (__builtin_cpu_supports("avx2"))
return 4;
return 0;
}
//.
// CHECK: [[META0:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
//.