1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64 < %s | FileCheck %s
3
4; Check the prolog won't be sunk across the save of CSRs.
5define void @reduce(i32, i32, i32, i32, i32, i32, ...) nounwind {
6; CHECK-LABEL: reduce:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    subq $56, %rsp
9; CHECK-NEXT:    testb %al, %al
10; CHECK-NEXT:    je .LBB0_4
11; CHECK-NEXT:  # %bb.3:
12; CHECK-NEXT:    movaps %xmm0, -{{[0-9]+}}(%rsp)
13; CHECK-NEXT:    movaps %xmm1, -{{[0-9]+}}(%rsp)
14; CHECK-NEXT:    movaps %xmm2, -{{[0-9]+}}(%rsp)
15; CHECK-NEXT:    movaps %xmm3, -{{[0-9]+}}(%rsp)
16; CHECK-NEXT:    movaps %xmm4, -{{[0-9]+}}(%rsp)
17; CHECK-NEXT:    movaps %xmm5, (%rsp)
18; CHECK-NEXT:    movaps %xmm6, {{[0-9]+}}(%rsp)
19; CHECK-NEXT:    movaps %xmm7, {{[0-9]+}}(%rsp)
20; CHECK-NEXT:  .LBB0_4:
21; CHECK-NEXT:    xorl %eax, %eax
22; CHECK-NEXT:    testb %al, %al
23; CHECK-NEXT:    jne .LBB0_2
24; CHECK-NEXT:  # %bb.1:
25; CHECK-NEXT:    leaq -{{[0-9]+}}(%rsp), %rax
26; CHECK-NEXT:    movq %rax, 16
27; CHECK-NEXT:    leaq {{[0-9]+}}(%rsp), %rax
28; CHECK-NEXT:    movq %rax, 8
29; CHECK-NEXT:    movl $48, 4
30; CHECK-NEXT:    movl $48, 0
31; CHECK-NEXT:  .LBB0_2:
32; CHECK-NEXT:    addq $56, %rsp
33; CHECK-NEXT:    retq
34  br i1 undef, label %8, label %7
35
367:                                                ; preds = %6
37  call void @llvm.va_start(i8* null)
38  br label %8
39
408:                                                ; preds = %7, %6
41  ret void
42}
43
44declare void @llvm.va_start(i8*)
45declare void @llvm.va_end(i8*)
46