forked from OSchip/llvm-project
78 lines
2.7 KiB
LLVM
78 lines
2.7 KiB
LLVM
|
; RUN: llc --force-dwarf-frame-section %s -o - | FileCheck %s
|
||
|
|
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
|
||
|
|
target triple = "thumbv8.1m.main-arm-none-eabi"
|
||
|
|
|
||
|
|
%"struct.std::__va_list" = type { i8* }
|
||
|
|
|
||
|
|
define hidden i32 @_Z1fiz(i32 %n, ...) local_unnamed_addr #0 {
|
||
|
|
entry:
|
||
|
|
%ap = alloca %"struct.std::__va_list", align 4
|
||
|
|
%0 = bitcast %"struct.std::__va_list"* %ap to i8*
|
||
|
|
call void @llvm.va_start(i8* nonnull %0)
|
||
|
|
%cmp7 = icmp sgt i32 %n, 0
|
||
|
|
br i1 %cmp7, label %for.body.lr.ph, label %for.cond.cleanup
|
||
|
|
|
||
|
|
for.body.lr.ph: ; preds = %entry
|
||
|
|
%1 = getelementptr inbounds %"struct.std::__va_list", %"struct.std::__va_list"* %ap, i32 0, i32 0
|
||
|
|
%argp.cur.pre = load i8*, i8** %1, align 4
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond.cleanup: ; preds = %for.body, %entry
|
||
|
|
%s.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
|
||
|
|
call void @llvm.va_end(i8* nonnull %0)
|
||
|
|
ret i32 %s.0.lcssa
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.lr.ph, %for.body
|
||
|
|
%argp.cur = phi i8* [ %argp.cur.pre, %for.body.lr.ph ], [ %argp.next, %for.body ]
|
||
|
|
%i.09 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
|
||
|
|
%s.08 = phi i32 [ 0, %for.body.lr.ph ], [ %add, %for.body ]
|
||
|
|
%argp.next = getelementptr inbounds i8, i8* %argp.cur, i32 4
|
||
|
|
store i8* %argp.next, i8** %1, align 4
|
||
|
|
%2 = bitcast i8* %argp.cur to i32*
|
||
|
|
%3 = load i32, i32* %2, align 4
|
||
|
|
%add = add nsw i32 %3, %s.08
|
||
|
|
%inc = add nuw nsw i32 %i.09, 1
|
||
|
|
%exitcond.not = icmp eq i32 %inc, %n
|
||
|
|
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: _Z1fiz:
|
||
|
|
; CHECK: pac r12, lr, sp
|
||
|
|
; CHECK-NEXT: .pad #12
|
||
|
|
; CHECK-NEXT: sub sp, #12
|
||
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 12
|
||
|
|
; CHECK-NEXT: .save {r7, lr}
|
||
|
|
; CHECK-NEXT: push {r7, lr}
|
||
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 20
|
||
|
|
; CHECK-NEXT: .cfi_offset lr, -16
|
||
|
|
; CHECK-NEXT: .cfi_offset r7, -20
|
||
|
|
; CHECK-NEXT: .save {ra_auth_code}
|
||
|
|
; CHECK-NEXT: str r12, [sp, #-4]!
|
||
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
||
|
|
; CHECK-NEXT: .cfi_offset ra_auth_code, -24
|
||
|
|
; CHECK-NEXT: .pad #4
|
||
|
|
; CHECK-NEXT: sub sp, #4
|
||
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 28
|
||
|
|
; ...
|
||
|
|
; CHECK: add.w r[[N:[0-9]*]], sp, #16
|
||
|
|
; CHECK: stm.w r[[N]], {r1, r2, r3}
|
||
|
|
; ...
|
||
|
|
; CHECK: add sp, #4
|
||
|
|
; CHECK-NEXT: ldr r12, [sp], #4
|
||
|
|
; CHECK-NEXT: pop.w {r7, lr}
|
||
|
|
; CHECK-NEXT: add sp, #12
|
||
|
|
; CHECK-NEXT: aut r12, lr, sp
|
||
|
|
; CHECK-NEXT: bx lr
|
||
|
|
|
||
|
|
declare void @llvm.va_start(i8*) #1
|
||
|
|
declare void @llvm.va_end(i8*) #1
|
||
|
|
|
||
|
|
attributes #0 = { nounwind optsize}
|
||
|
|
attributes #1 = { nounwind }
|
||
|
|
|
||
|
|
!llvm.module.flags = !{!0, !1, !2}
|
||
|
|
|
||
|
|
!0 = !{i32 1, !"branch-target-enforcement", i32 0}
|
||
|
|
!1 = !{i32 1, !"sign-return-address", i32 1}
|
||
|
|
!2 = !{i32 1, !"sign-return-address-all", i32 0}
|