llvm-6502/test/CodeGen/X86/tls15.ll
Rafael Espindola dbcfb3080a Don't fold a load if the other operand is a TLS address.
With this we generate

movl    %gs:0, %eax
leal    i@NTPOFF(%eax), %eax

instead of

movl    $i@NTPOFF, %eax
addl    %gs:0, %eax



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68778 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10 10:09:34 +00:00

15 lines
384 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t | count 1
; RUN: grep {leal i@NTPOFF(%eax), %ecx} %t
; RUN: grep {leal j@NTPOFF(%eax), %eax} %t
@i = thread_local global i32 0
@j = thread_local global i32 0
define void @f(i32** %a, i32** %b) {
entry:
store i32* @i, i32** %a, align 8
store i32* @j, i32** %b, align 8
ret void
}