Mercurial > hg > CbC > CbC_llvm
diff clang/test/CodeGen/tls-model.cpp @ 207:2e18cbf3894f
LLVM12
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 08 Jun 2021 06:07:14 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/clang/test/CodeGen/tls-model.cpp Tue Jun 08 06:07:14 2021 +0900 @@ -0,0 +1,67 @@ +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=global-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-GD +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-dynamic -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LD +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=initial-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-IE +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ftls-model=local-exec -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-LE +// +// RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -femulated-tls -emit-llvm -o - 2>&1 | \ +// RUN: FileCheck %s -check-prefix=CHECK-GD + +int z1 = 0; +int z2; +int __thread x; +int f() { + static int __thread y; + return y++; +} +int __thread __attribute__((tls_model("initial-exec"))) z; + +struct S { + S(); + ~S(); +}; +struct T { + ~T(); +}; + +struct S thread_local s1; +struct T thread_local t1; + +// Note that unlike normal C uninitialized global variables, +// uninitialized TLS variables do NOT have COMMON linkage. + +// CHECK-GD: @z1 ={{.*}} global i32 0 +// CHECK-GD: @z2 ={{.*}} global i32 0 +// CHECK-GD: @x ={{.*}} thread_local global i32 0 +// CHECK-GD: @_ZZ1fvE1y = internal thread_local global i32 0 +// CHECK-GD: @z ={{.*}} thread_local(initialexec) global i32 0 +// CHECK-GD: @s1 ={{.*}} thread_local global %struct.S zeroinitializer +// CHECK-GD: @t1 ={{.*}} thread_local global %struct.T zeroinitializer +// CHECK-GD: @__tls_guard = internal thread_local global i8 0 + +// CHECK-LD: @z1 ={{.*}} global i32 0 +// CHECK-LD: @z2 ={{.*}} global i32 0 +// CHECK-LD: @x ={{.*}} thread_local(localdynamic) global i32 0 +// CHECK-LD: @_ZZ1fvE1y = internal thread_local(localdynamic) global i32 0 +// CHECK-LD: @z ={{.*}} thread_local(initialexec) global i32 0 +// CHECK-LD: @s1 ={{.*}} thread_local(localdynamic) global %struct.S zeroinitializer +// CHECK-LD: @t1 ={{.*}} thread_local(localdynamic) global %struct.T zeroinitializer +// CHECK-LD: @__tls_guard = internal thread_local(localdynamic) global i8 0 + +// CHECK-IE: @z1 ={{.*}} global i32 0 +// CHECK-IE: @z2 ={{.*}} global i32 0 +// CHECK-IE: @x ={{.*}} thread_local(initialexec) global i32 0 +// CHECK-IE: @_ZZ1fvE1y = internal thread_local(initialexec) global i32 0 +// CHECK-IE: @z ={{.*}} thread_local(initialexec) global i32 0 +// CHECK-IE: @s1 ={{.*}} thread_local(initialexec) global %struct.S zeroinitializer +// CHECK-IE: @t1 ={{.*}} thread_local(initialexec) global %struct.T zeroinitializer +// CHECK-IE: @__tls_guard = internal thread_local(initialexec) global i8 0 + +// CHECK-LE: @z1 ={{.*}} global i32 0 +// CHECK-LE: @z2 ={{.*}} global i32 0 +// CHECK-LE: @x ={{.*}} thread_local(localexec) global i32 0 +// CHECK-LE: @_ZZ1fvE1y = internal thread_local(localexec) global i32 0 +// CHECK-LE: @z ={{.*}} thread_local(initialexec) global i32 0 +// CHECK-LE: @s1 ={{.*}} thread_local(localexec) global %struct.S zeroinitializer +// CHECK-LE: @t1 ={{.*}} thread_local(localexec) global %struct.T zeroinitializer +// CHECK-LE: @__tls_guard = internal thread_local(localexec) global i8 0