Home | History | Annotate | Download | only in X86
      1 ; RUN: llc < %s -mtriple x86_64-apple-darwin -mcpu=core2 | FileCheck %s
      2 
      3 %struct.A = type { [48 x i8], i32, i32, i32 }
      4 
      5 @c = external thread_local global %struct.A, align 4
      6 
      7 define void @main() nounwind ssp {
      8 ; CHECK-LABEL: main:
      9 entry:
     10   call void @llvm.memset.p0i8.i64(i8* getelementptr inbounds (%struct.A, %struct.A* @c, i32 0, i32 0, i32 0), i8 0, i64 60, i32 1, i1 false)
     11   unreachable  
     12   ; CHECK: movq    _c@TLVP(%rip), %rdi
     13   ; CHECK-NEXT: callq   *(%rdi)
     14   ; CHECK-NEXT: movl    $0, 56(%rax)
     15   ; CHECK-NEXT: movq    $0, 48(%rax)
     16 }
     17 
     18 ; rdar://10291355
     19 define i32 @test() nounwind readonly ssp {
     20 entry:
     21 ; CHECK-LABEL: test:
     22 ; CHECK: movq _a@TLVP(%rip),
     23 ; CHECK: callq *
     24 ; CHECK: movl (%rax), [[REGISTER:%[a-z]+]]
     25 ; CHECK: movq _b@TLVP(%rip),
     26 ; CHECK: callq *
     27 ; CHECK: subl (%rax), [[REGISTER]]
     28   %0 = load i32, i32* @a, align 4
     29   %1 = load i32, i32* @b, align 4
     30   %sub = sub nsw i32 %0, %1
     31   ret i32 %sub
     32 }
     33 
     34 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
     35 
     36 @a = thread_local global i32 0                    ; <i32*> [#uses=0]
     37 @b = thread_local global i32 0                    ; <i32*> [#uses=0]
     38 
     39 ; CHECK: .tbss _a$tlv$init, 4, 2
     40 ; CHECK:        .section        __DATA,__thread_vars,thread_local_variables
     41 ; CHECK:        .globl  _a
     42 ; CHECK: _a:
     43 ; CHECK:        .quad   __tlv_bootstrap
     44 ; CHECK:        .quad   0
     45 ; CHECK:        .quad   _a$tlv$init
     46 
     47 ; CHECK: .tbss _b$tlv$init, 4, 2
     48 ; CHECK:        .globl  _b
     49 ; CHECK: _b:
     50 ; CHECK:        .quad   __tlv_bootstrap
     51 ; CHECK:        .quad   0
     52 ; CHECK:        .quad   _b$tlv$init
     53