================
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -x c -ffreestanding -triple x86_64-unknown-linux -fclangir
-emit-cir -o %t.cir %s
+// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
+
+// RUN: %clang_cc1 -x c -ffreestanding -triple x86_64-unknown-linux -fclangir
-emit-llvm -o %t.ll %s
+// RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s
+
+// RUN: %clang_cc1 -x c -ffreestanding -triple=x86_64-unknown-linux -emit-llvm
-o - %s | FileCheck %s -check-prefix=OGCG
+
+// This test mimics clang/test/CodeGen/X86/rd-builtins.c, which eventually
+// CIR shall be able to support fully.
+
+unsigned long long test_rdtsc(void) {
+ // CIR-LABEL: @test_rdtsc
+ // CIR: {{%.*}} = cir.call_llvm_intrinsic "x86.rdtsc"() : () -> !u64i
+
+ // LLVM-LABEL: @test_rdtsc
+ // LLVM: call i64 @llvm.x86.rdtsc()
+
+ // OGCG-LABEL: @test_rdtsc
+ // OGCG: call i64 @llvm.x86.rdtsc()
+
+ return __rdtsc();
+}
+
+unsigned long long test_rdtscp(unsigned int *a) {
+ // CIR-LABEL: @test_rdtscp
+ // CIR: {{%.*}} = cir.call_llvm_intrinsic "x86.rdtscp"() : () ->
!cir.record<!anon
+ // CIR: {{%.*}} = cir.extract_member {{%.*}}[1] : !cir.record<!anon
+ // CIR: cir.store {{%.*}}, {{%.*}} : !u32i
+ // CIR: {{%.*}} = cir.extract_member {{%.*}}[0] : !cir.record<!anon
+
+ // LLVM-LABEL: @test_rdtscp
+ // LLVM: call { i64, i32 } @llvm.x86.rdtscp()
+ // LLVM: extractvalue { i64, i32 } {{%.*}}, 1
+ // LLVM: store i32 {{%.*}}, ptr {{%.*}}
+ // LLVM: extractvalue { i64, i32 } {{%.*}}, 0
+
+ // OGCG-LABEL: @test_rdtscp
+ // OGCG: [[RDTSCP:%.*]] = call { i64, i32 } @llvm.x86.rdtscp
----------------
Priyanshu3820 wrote:
``
https://github.com/llvm/llvm-project/pull/180714
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