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