1 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 | FileCheck %s -check-prefix=M64
2 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-win32 | FileCheck %s -check-prefix=W64
3 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-win32-macho | FileCheck %s -check-prefix=EFI
7 define i64 @foo(i64 %n, i64 %x) nounwind {
10 %buf0 = alloca i8, i64 4096, align 1
12 ; ___chkstk must adjust %rsp.
13 ; M64: movq %rsp, %rbp
15 ; M64: callq ___chkstk
18 ; __chkstk does not adjust %rsp.
19 ; W64: movq %rsp, %rbp
22 ; W64: subq %rax, %rsp
25 ; EFI: movq %rsp, %rbp
26 ; EFI: $[[B0OFS:4096|4104]], %rsp
29 %buf1 = alloca i8, i64 %n, align 1
31 ; M64: leaq 15(%{{.*}}), %rax
32 ; M64: andq $-16, %rax
33 ; M64: callq ___chkstk
35 ; M64: movq %rsp, %rax
37 ; W64: leaq 15(%{{.*}}), %rax
38 ; W64: andq $-16, %rax
40 ; W64: subq %rax, %rsp
41 ; W64: movq %rsp, %rax
43 ; EFI: leaq 15(%{{.*}}), [[R1:%r.*]]
44 ; EFI: andq $-16, [[R1]]
45 ; EFI: movq %rsp, [[R64:%r.*]]
46 ; EFI: subq [[R1]], [[R64]]
47 ; EFI: movq [[R64]], %rsp
49 %r = call i64 @bar(i64 %n, i64 %x, i64 %n, i8* %buf0, i8* %buf1) nounwind
52 ; M64: leaq -4096(%rbp), %r9
53 ; M64: movq %rax, 32(%rsp)
57 ; W64: leaq -4096(%rbp), %r9
58 ; W64: movq %rax, 32(%rsp)
62 ; EFI: leaq -[[B0OFS]](%rbp), %r9
63 ; EFI: movq [[R64]], 32(%rsp)
68 ; M64: movq %rbp, %rsp
70 ; W64: movq %rbp, %rsp
74 declare i64 @bar(i64, i64, i64, i8* nocapture, i8* nocapture) nounwind