| 1 | // REQUIRES: x86-registered-target |
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| 2 | // REQUIRES: nvptx-registered-target |
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| 3 | |
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| 4 | // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | \ |
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| 5 | // RUN: FileCheck --check-prefixes=HOST,BOTH %s |
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| 6 | // RUN: %clang_cc1 -fcuda-is-device -triple nvptx64-nvidia-cuda \ |
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| 7 | // RUN: -emit-llvm -o - %s | FileCheck %s --check-prefixes=DEVICE,BOTH |
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| 8 | |
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| 9 | // BOTH-LABEL: define float @logf(float |
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| 10 | |
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| 11 | // logf() should be calling itself recursively as we don't have any standard |
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| 12 | // library on device side. |
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| 13 | // DEVICE: call float @logf(float |
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| 14 | extern "C" __attribute__((device)) float logf(float __x) { return logf(__x); } |
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| 15 | |
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| 16 | // NOTE: this case is to illustrate the expected differences in behavior between |
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| 17 | // the host and device. In general we do not mess with host-side standard |
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| 18 | // library. |
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| 19 | // |
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| 20 | // Host is assumed to have standard library, so logf() calls LLVM intrinsic. |
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| 21 | // HOST: call float @llvm.log.f32(float |
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| 22 | extern "C" float logf(float __x) { return logf(__x); } |
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| 23 | |
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