diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 1 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/tls-windows-itanium.ll | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index f65dcfbee6a..3bc56442ebb 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -12975,6 +12975,7 @@ X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const { } if (Subtarget.isTargetKnownWindowsMSVC() || + Subtarget.isTargetWindowsItanium() || Subtarget.isTargetWindowsGNU()) { // Just use the implicit TLS architecture // Need to generate someting similar to: diff --git a/llvm/test/CodeGen/X86/tls-windows-itanium.ll b/llvm/test/CodeGen/X86/tls-windows-itanium.ll new file mode 100644 index 00000000000..20ac0990196 --- /dev/null +++ b/llvm/test/CodeGen/X86/tls-windows-itanium.ll @@ -0,0 +1,30 @@ +; RUN: llc -mtriple i686-windows-itanium -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-ASM +; RUN: llc -mtriple i686-windows-itanium -filetype obj -o - %s | llvm-readobj -relocations - | FileCheck %s -check-prefix CHECK-OBJ + +@get_count_incremented.count = internal thread_local unnamed_addr global i32 0, align 4 + +define i32 @get_count_incremented() { +entry: + %0 = load i32, i32* @get_count_incremented.count, align 4 + %inc = add i32 %0, 1 + store i32 %inc, i32* @get_count_incremented.count, align 4 + ret i32 %inc +} + +; CHECK-ASM-LABEL: _get_count_incremented: +; CHECK-ASM: movl __tls_index, %eax +; CHECK-ASM: movl %fs:__tls_array, %ecx +; CHECK-ASM: movl (%ecx,%eax,4), %ecx +; CHECK-ASM: _get_count_incremented.count@SECREL32(%ecx), %eax +; CHECK-ASM: incl %eax +; CHECK-ASM: movl %eax, _get_count_incremented.count@SECREL32(%ecx) +; CHECK-ASM: retl + +; CHECK-OBJ: Relocations [ +; CHECK-OBJ: Section ({{[0-9]+}}) .text { +; CHECK-OBJ: 0x1 IMAGE_REL_I386_DIR32 __tls_index +; CHECK-OBJ: 0x8 IMAGE_REL_I386_DIR32 __tls_array +; CHECK-OBJ: 0x11 IMAGE_REL_I386_SECREL _get_count_incremented.count +; CHECK-OBJ: 0x18 IMAGE_REL_I386_SECREL _get_count_incremented.count +; CHECK-OBJ: } +; CHECK-OBJ: ] |

