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