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// REQUIRES: x86-registered-target
// REQUIRES: nvptx-registered-target
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | \
// RUN: FileCheck --check-prefixes=HOST,BOTH %s
// RUN: %clang_cc1 -fcuda-is-device -triple nvptx64-nvidia-cuda \
// RUN: -emit-llvm -o - %s | FileCheck %s --check-prefixes=DEVICE,BOTH
// BOTH-LABEL: define float @logf(float
// logf() should be calling itself recursively as we don't have any standard
// library on device side.
// DEVICE: call float @logf(float
extern "C" __attribute__((device)) float logf(float __x) { return logf(__x); }
// NOTE: this case is to illustrate the expected differences in behavior between
// the host and device. In general we do not mess with host-side standard
// library.
//
// Host is assumed to have standard library, so logf() calls LLVM intrinsic.
// HOST: call float @llvm.log.f32(float
extern "C" float logf(float __x) { return logf(__x); }
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