1; RUN: llc < %s -mtriple x86_64-apple-darwin | FileCheck %s
2
3@a = thread_local global i32 4, align 4
4
5define i32 @f2(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5) {
6entry:
7; Parameters are in %edi, %esi, %edx, %ecx, %r8d, there is no need to save
8; these parameters except the one in %edi, before making the TLS call.
9; %edi is used to pass parameter to the TLS call.
10; CHECK-NOT: movl %r8d
11; CHECK-NOT: movl %ecx
12; CHECK-NOT: movl %edx
13; CHECK-NOT: movl %esi
14; CHECK: movq {{.*}}TLVP{{.*}}, %rdi
15; CHECK-NEXT: callq
16; CHECK-NEXT: movl (%rax),
17; CHECK-NOT: movl {{.*}}, %esi
18; CHECK-NOT: movl {{.*}}, %edx
19; CHECK-NOT: movl {{.*}}, %ecx
20; CHECK-NOT: movl {{.*}}, %r8d
21; CHECK: callq
22  %0 = load i32, i32* @a, align 4
23  %call = tail call i32 @f3(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5)
24  %add = add nsw i32 %call, %0
25  ret i32 %add
26}
27
28declare i32 @f3(i32, i32, i32, i32, i32)
29