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authorSaleem Abdulrasool <compnerd@compnerd.org>2016-06-04 18:27:22 +0000
committerSaleem Abdulrasool <compnerd@compnerd.org>2016-06-04 18:27:22 +0000
commit9195dbacc07c6da7989418406dfa338dfb921f98 (patch)
tree2e92c0f021ad5dd5433cdfc78340f08da0bb0bc9 /test
parentebbbdf51f20501efb79db8da36383ace4f7c7b8c (diff)
X86: enable TLS on Windows itanium
Windows itanium is nearly identical to windows-msvc (MS ABI for C, itanium for C++). Enable the TLS support for the target similar to the MSVC model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271797 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/tls-windows-itanium.ll30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/tls-windows-itanium.ll b/test/CodeGen/X86/tls-windows-itanium.ll
new file mode 100644
index 00000000000..20ac0990196
--- /dev/null
+++ b/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: ]