| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefix=X64 |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s --check-prefix=X32 |
| ; RUN: llc < %s -mtriple=i386-linux-gnu | FileCheck %s --check-prefix=X86 |
| |
| declare i8* @llvm.thread.pointer() |
| |
| define i8* @thread_pointer() nounwind { |
| ; X64-LABEL: thread_pointer: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %fs:0, %rax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: thread_pointer: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl %fs:0, %eax |
| ; X32-NEXT: retq |
| ; |
| ; X86-LABEL: thread_pointer: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl %gs:0, %eax |
| ; X86-NEXT: retl |
| %1 = tail call i8* @llvm.thread.pointer() |
| ret i8* %1 |
| } |
| |
| define i32 @thread_pointer2(i32 %i) nounwind { |
| ; X64-LABEL: thread_pointer2: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: movslq %edi, %rax |
| ; X64-NEXT: movl %fs:(,%rax,4), %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: thread_pointer2: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl %fs:0, %eax |
| ; X32-NEXT: movl (%eax,%edi,4), %eax |
| ; X32-NEXT: retq |
| ; |
| ; X86-LABEL: thread_pointer2: |
| ; X86: # %bb.0: # %entry |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %gs:(,%eax,4), %eax |
| ; X86-NEXT: retl |
| entry: |
| %0 = tail call i8* @llvm.thread.pointer() |
| %1 = bitcast i8* %0 to i32* |
| %arrayidx = getelementptr inbounds i32, i32* %1, i32 %i |
| %2 = load i32, i32* %arrayidx, align 4 |
| ret i32 %2 |
| } |