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fd739804e0
For a default visibility external linkage definition, dso_local is set for ELF
-fno-pic/-fpie and COFF and Mach-O. Since default clang -cc1 for ELF is similar
to -fpic ("PIC Level" is not set), this nuance causes unneeded binary format differences.
To make emitted IR similar, ELF -cc1 -fpic will default to -fno-semantic-interposition,
which sets dso_local for default visibility external linkage definitions.
To make this flip smooth and enable future (dso_local as definition default),
this patch replaces (function) `define ` with `define{{.*}} `,
(variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} `.
59 lines
1.6 KiB
Plaintext
59 lines
1.6 KiB
Plaintext
// REQUIRES: x86-registered-target
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// REQUIRES: nvptx-registered-target
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// Make sure we handle target overloads correctly. Most of this is checked in
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// sema, but special functions like constructors and destructors are here.
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//
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-HOST %s
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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -emit-llvm -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-DEVICE %s
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#include "Inputs/cuda.h"
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// Check constructors/destructors for D/H functions
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#ifdef __CUDA_ARCH__
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__device__
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#endif
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int x;
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struct s_cd_dh {
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__host__ s_cd_dh() { x = 11; }
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__device__ s_cd_dh() { x = 12; }
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};
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struct s_cd_hd {
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__host__ __device__ s_cd_hd() { x = 31; }
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__host__ __device__ ~s_cd_hd() { x = 32; }
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};
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// CHECK-BOTH: define{{.*}} void @_Z7wrapperv
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#if defined(__CUDA_ARCH__)
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__device__
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#else
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__host__
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#endif
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void wrapper() {
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s_cd_dh scddh;
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// CHECK-BOTH: call void @_ZN7s_cd_dhC1Ev(
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s_cd_hd scdhd;
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// CHECK-BOTH: call void @_ZN7s_cd_hdC1Ev
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// CHECK-BOTH: call void @_ZN7s_cd_hdD1Ev(
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}
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// CHECK-BOTH: ret void
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// Now it's time to check what's been generated for the methods we used.
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_dhC2Ev(
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// CHECK-HOST: store i32 11,
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// CHECK-DEVICE: store i32 12,
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// CHECK-BOTH: ret void
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_hdC2Ev(
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// CHECK-BOTH: store i32 31,
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// CHECK-BOTH: ret void
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_hdD2Ev(
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// CHECK-BOTH: store i32 32,
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// CHECK-BOTH: ret void
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