| ; RUN: llc < %s -mcpu=generic -enable-misched=false -mtriple=x86_64-mingw32 | FileCheck %s -check-prefix=M64 |
| ; RUN: llc < %s -mcpu=generic -enable-misched=false -mtriple=x86_64-win32 | FileCheck %s -check-prefix=W64 |
| ; RUN: llc < %s -mcpu=generic -enable-misched=false -mtriple=x86_64-win32 -code-model=large | FileCheck %s -check-prefix=L64 |
| ; RUN: llc < %s -mcpu=generic -enable-misched=false -mtriple=x86_64-win32-macho | FileCheck %s -check-prefix=EFI |
| ; PR8777 |
| ; PR8778 |
| |
| define i64 @unaligned(i64 %n, i64 %x) nounwind { |
| ; M64-LABEL: unaligned: |
| ; W64-LABEL: unaligned: |
| ; EFI-LABEL: unaligned: |
| entry: |
| |
| %buf0 = alloca i8, i64 4096, align 1 |
| |
| ; ___chkstk_ms does not adjust %rsp. |
| ; M64: $4096, %eax |
| ; M64: callq ___chkstk_ms |
| ; M64: subq %rax, %rsp |
| ; M64: leaq 128(%rsp), %rbp |
| |
| ; __chkstk does not adjust %rsp. |
| ; W64: $4096, %eax |
| ; W64: callq __chkstk |
| ; W64: subq %rax, %rsp |
| ; W64: leaq 128(%rsp), %rbp |
| |
| ; Use %r11 for the large model. |
| ; L64: $4096, %eax |
| ; L64: movabsq $__chkstk, %r11 |
| ; L64: callq *%r11 |
| ; L64: subq %rax, %rsp |
| |
| ; Freestanding |
| ; EFI: $[[B0OFS:4096|4104]], %rsp |
| ; EFI-NOT: call |
| |
| %buf1 = alloca i8, i64 %n, align 1 |
| |
| ; M64: leaq 15(%{{.*}}), %rax |
| ; M64: andq $-16, %rax |
| ; M64: callq ___chkstk_ms |
| ; M64: subq %rax, %rsp |
| ; M64: movq %rsp, %rax |
| |
| ; W64: leaq 15(%{{.*}}), %rax |
| ; W64: andq $-16, %rax |
| ; W64: callq __chkstk |
| ; W64: subq %rax, %rsp |
| ; W64: movq %rsp, %rax |
| |
| ; L64: leaq 15(%{{.*}}), %rax |
| ; L64: andq $-16, %rax |
| ; L64: movabsq $__chkstk, %r11 |
| ; L64: callq *%r11 |
| ; L64: subq %rax, %rsp |
| ; L64: movq %rsp, %rax |
| |
| ; EFI: leaq 15(%{{.*}}), [[R1:%r.*]] |
| ; EFI: andq $-16, [[R1]] |
| ; EFI: movq %rsp, [[R64:%r.*]] |
| ; EFI: subq [[R1]], [[R64]] |
| ; EFI: movq [[R64]], %rsp |
| |
| %r = call i64 @bar(i64 %n, i64 %x, i64 %n, i8* %buf0, i8* %buf1) nounwind |
| |
| ; M64: subq $48, %rsp |
| ; M64: movq %rax, 32(%rsp) |
| ; M64: leaq -128(%rbp), %r9 |
| ; M64: callq bar |
| |
| ; W64: subq $48, %rsp |
| ; W64: movq %rax, 32(%rsp) |
| ; W64: leaq -128(%rbp), %r9 |
| ; W64: callq bar |
| |
| ; EFI: subq $48, %rsp |
| ; EFI: movq [[R64]], 32(%rsp) |
| ; EFI: leaq -[[B0OFS]](%rbp), %r9 |
| ; EFI: callq _bar |
| |
| ret i64 %r |
| |
| ; M64: leaq 3968(%rbp), %rsp |
| |
| ; W64: leaq 3968(%rbp), %rsp |
| |
| } |
| |
| define i64 @aligned(i64 %n, i64 %x) nounwind { |
| ; M64-LABEL: aligned: |
| ; W64-LABEL: aligned: |
| ; EFI-LABEL: aligned: |
| entry: |
| |
| %buf1 = alloca i8, i64 %n, align 128 |
| |
| ; M64: leaq 15(%{{.*}}), %rax |
| ; M64: andq $-16, %rax |
| ; M64: callq ___chkstk_ms |
| ; M64: subq %rax, %rsp |
| ; M64: movq %rsp, [[R2:%r.*]] |
| ; M64: andq $-128, [[R2]] |
| ; M64: movq [[R2]], %rsp |
| |
| ; W64: leaq 15(%{{.*}}), %rax |
| ; W64: andq $-16, %rax |
| ; W64: callq __chkstk |
| ; W64: subq %rax, %rsp |
| ; W64: movq %rsp, [[R2:%r.*]] |
| ; W64: andq $-128, [[R2]] |
| ; W64: movq [[R2]], %rsp |
| |
| ; EFI: leaq 15(%{{.*}}), [[R1:%r.*]] |
| ; EFI: andq $-16, [[R1]] |
| ; EFI: movq %rsp, [[R64:%r.*]] |
| ; EFI: subq [[R1]], [[R64]] |
| ; EFI: andq $-128, [[R64]] |
| ; EFI: movq [[R64]], %rsp |
| |
| %r = call i64 @bar(i64 %n, i64 %x, i64 %n, i8* undef, i8* %buf1) nounwind |
| |
| ; M64: subq $48, %rsp |
| ; M64: movq [[R2]], 32(%rsp) |
| ; M64: callq bar |
| |
| ; W64: subq $48, %rsp |
| ; W64: movq [[R2]], 32(%rsp) |
| ; W64: callq bar |
| |
| ; EFI: subq $48, %rsp |
| ; EFI: movq [[R64]], 32(%rsp) |
| ; EFI: callq _bar |
| |
| ret i64 %r |
| } |
| |
| declare i64 @bar(i64, i64, i64, i8* nocapture, i8* nocapture) nounwind |
