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