26 lines
679 B
C
26 lines
679 B
C
// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
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#include <x86intrin.h>
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unsigned long long test_rdpmc(int a) {
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return _rdpmc(a);
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// CHECK: @test_rdpmc
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// CHECK: call i64 @llvm.x86.rdpmc
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}
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int test_rdtsc() {
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return _rdtsc();
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// CHECK: @test_rdtsc
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// CHECK: call i64 @llvm.x86.rdtsc
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}
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unsigned long long test_rdtscp(unsigned int *a) {
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// CHECK: @test_rdtscp
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// CHECK: [[RDTSCP:%.*]] = call { i64, i32 } @llvm.x86.rdtscp
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// CHECK: [[TSC_AUX:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 1
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// CHECK: store i32 [[TSC_AUX]], i32* %{{.*}}
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// CHECK: [[TSC:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 0
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return __rdtscp(a);
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}
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