8f101971b6
The changes in D80163 defered the assignment of MachineMemOperand (MMO) until the X86ExpandPseudo pass. This will result in crash due to prolog insert point been sunk across the pseudo instruction VASTART_SAVE_XMM_REGS. Moving the assignment to the creation of the node can avoid the problem. Reviewed By: rnk Differential Revision: https://reviews.llvm.org/D112859
46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=x86_64 < %s | FileCheck %s
|
|
|
|
; Check the prolog won't be sunk across the save of CSRs.
|
|
define void @reduce(i32, i32, i32, i32, i32, i32, ...) nounwind {
|
|
; CHECK-LABEL: reduce:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: subq $56, %rsp
|
|
; CHECK-NEXT: testb %al, %al
|
|
; CHECK-NEXT: je .LBB0_4
|
|
; CHECK-NEXT: # %bb.3:
|
|
; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm1, -{{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm2, -{{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm3, -{{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm4, -{{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm5, (%rsp)
|
|
; CHECK-NEXT: movaps %xmm6, {{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: movaps %xmm7, {{[0-9]+}}(%rsp)
|
|
; CHECK-NEXT: .LBB0_4:
|
|
; CHECK-NEXT: xorl %eax, %eax
|
|
; CHECK-NEXT: testb %al, %al
|
|
; CHECK-NEXT: jne .LBB0_2
|
|
; CHECK-NEXT: # %bb.1:
|
|
; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax
|
|
; CHECK-NEXT: movq %rax, 16
|
|
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax
|
|
; CHECK-NEXT: movq %rax, 8
|
|
; CHECK-NEXT: movl $48, 4
|
|
; CHECK-NEXT: movl $48, 0
|
|
; CHECK-NEXT: .LBB0_2:
|
|
; CHECK-NEXT: addq $56, %rsp
|
|
; CHECK-NEXT: retq
|
|
br i1 undef, label %8, label %7
|
|
|
|
7: ; preds = %6
|
|
call void @llvm.va_start(i8* null)
|
|
br label %8
|
|
|
|
8: ; preds = %7, %6
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.va_start(i8*)
|
|
declare void @llvm.va_end(i8*)
|