blob: 3cbbd03385c5fb3f4cc9db43e34bbb40a9493be9 [file] [log] [blame]
; RUN: llc -mtriple arm64-windows -o - %s | FileCheck %s
; Function Attrs: noinline optnone uwtable
define dso_local i32 @foo() {
entry:
; CHECK-LABEL: foo
; CHECK: orr w8, wzr, #0x1
; CHECK: mov w0, wzr
; CHECK: mov x1, x29
; CHECK: .set .Lfoo$frame_escape_0, -4
; CHECK: stur w8, [x29, #-4]
; CHECK: bl "?fin$0@0@foo@@"
; CHECK: ldur w0, [x29, #-4]
%count = alloca i32, align 4
call void (...) @llvm.localescape(i32* %count)
store i32 0, i32* %count, align 4
%0 = load i32, i32* %count, align 4
%add = add nsw i32 %0, 1
store i32 %add, i32* %count, align 4
%1 = call i8* @llvm.localaddress()
call void @"?fin$0@0@foo@@"(i8 0, i8* %1)
%2 = load i32, i32* %count, align 4
ret i32 %2
}
define internal void @"?fin$0@0@foo@@"(i8 %abnormal_termination, i8* %frame_pointer) {
entry:
; CHECK-LABEL: @"?fin$0@0@foo@@"
; CHECK: sub sp, sp, #16
; CHECK: str x1, [sp, #8]
; CHECK: strb w0, [sp, #7]
; CHECK: movz x8, #:abs_g1_s:.Lfoo$frame_escape_0
; CHECK: movk x8, #:abs_g0_nc:.Lfoo$frame_escape_0
; CHECK: add x8, x1, x8
; CHECK: ldr w9, [x8]
; CHECK: add w9, w9, #1
; CHECK: str w9, [x8]
%frame_pointer.addr = alloca i8*, align 8
%abnormal_termination.addr = alloca i8, align 1
%0 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @foo to i8*), i8* %frame_pointer, i32 0)
%count = bitcast i8* %0 to i32*
store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
%1 = zext i8 %abnormal_termination to i32
%cmp = icmp eq i32 %1, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%2 = load i32, i32* %count, align 4
%add = add nsw i32 %2, 1
store i32 %add, i32* %count, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
; Function Attrs: nounwind readnone
declare i8* @llvm.localrecover(i8*, i8*, i32)
; Function Attrs: nounwind readnone
declare i8* @llvm.localaddress()
; Function Attrs: nounwind
declare void @llvm.localescape(...)