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; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv5e-none-linux-gnueabi"
; Function Attrs: norecurse nounwind optsize
define void @f(i32,i32,i32,i32,ptr %x4p, ptr %x5p, ptr %x6p) {
if.end:
br label %while.body
while.body:
%ll.0100 = phi i64 [ 0, %if.end ], [ %shr32, %while.body ]
%add = add nuw nsw i64 %ll.0100, 0
%add3 = add nuw nsw i64 %add, 0
%shr = lshr i64 %add3, 32
%conv7 = zext i32 %0 to i64
%conv9 = zext i32 %1 to i64
%add10 = add nuw nsw i64 %conv9, %conv7
%add11 = add nuw nsw i64 %add10, %shr
%shr14 = lshr i64 %add11, 32
%conv16 = zext i32 %2 to i64
%conv18 = zext i32 %3 to i64
%add19 = add nuw nsw i64 %conv18, %conv16
%add20 = add nuw nsw i64 %add19, %shr14
%conv21 = trunc i64 %add20 to i32
store i32 %conv21, ptr %x6p, align 4
%shr23 = lshr i64 %add20, 32
%x4 = load i32, ptr %x4p, align 4
%conv25 = zext i32 %x4 to i64
%x5 = load i32, ptr %x5p, align 4
%conv27 = zext i32 %x5 to i64
%add28 = add nuw nsw i64 %conv27, %conv25
%add29 = add nuw nsw i64 %add28, %shr23
%shr32 = lshr i64 %add29, 32
br label %while.body
}
; CHECK: adds r3, r0, r1
; CHECK: mov r12, r5
; CHECK: mov r1, r12
; CHECK: adcs r1, r5
; CHECK: ldr r0, [sp, #12] @ 4-byte Reload
; CHECK: ldr r2, [sp, #8] @ 4-byte Reload
; CHECK: adds r2, r0, r2
; CHECK: mov r12, r5
; CHECK: mov r4, r12
; CHECK: adcs r4, r5
; CHECK: adds r0, r2, r5
; CHECK: mov r12, r3
; CHECK: mov r0, r12
; CHECK: adcs r0, r4
; CHECK: ldr r6, [sp, #4] @ 4-byte Reload
; CHECK: str r0, [r6]
; CHECK: ldr r0, [r7]
; CHECK: ldr r6, [sp] @ 4-byte Reload
; CHECK: ldr r6, [r6]
; CHECK: adds r0, r6, r0
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