57 lines
1.7 KiB
LLVM
57 lines
1.7 KiB
LLVM
|
; 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,i32* %x4p, i32* %x5p, i32* %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, i32* %x6p, align 4
|
||
|
|
%shr23 = lshr i64 %add20, 32
|
||
|
|
%x4 = load i32, i32* %x4p, align 4
|
||
|
|
%conv25 = zext i32 %x4 to i64
|
||
|
|
%x5 = load i32, i32* %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: push {r5}
|
||
|
|
; CHECK: pop {r1}
|
||
|
|
; 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: push {r5}
|
||
|
|
; CHECK: pop {r4}
|
||
|
|
; CHECK: adcs r4, r5
|
||
|
|
; CHECK: adds r0, r2, r5
|
||
|
|
; CHECK: push {r3}
|
||
|
|
; CHECK: pop {r0}
|
||
|
|
; 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
|