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49 lines
1.7 KiB
LLVM
49 lines
1.7 KiB
LLVM
; RUN: llc -asm-verbose=false < %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 = "armv8.2a-arm-unknown-eabihf"
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define dso_local void @vec8(half* nocapture readonly %V, i32 %N) local_unnamed_addr #0 {
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; CHECK: .LBB0_1:
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; CHECK-NEXT: vld1.16 {d16, d17}, [r0]!
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; CHECK-NEXT: subs r1, r1, #8
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; CHECK-NEXT: bne .LBB0_1
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entry:
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br label %vector.body
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vector.body:
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%index = phi i32 [ 0, %entry ], [ %index.next, %vector.body ]
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%0 = getelementptr inbounds half, half* %V, i32 %index
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%1 = bitcast half* %0 to <8 x half>*
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%wide.load = load volatile <8 x half>, <8 x half>* %1, align 2
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%index.next = add i32 %index, 8
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%cmp = icmp eq i32 %index.next, %N
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br i1 %cmp, label %byeblock, label %vector.body
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byeblock:
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ret void
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}
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define dso_local void @vec4(half* nocapture readonly %V, i32 %N) local_unnamed_addr #0 {
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; CHECK: .LBB1_1:
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; CHECK-NEXT: vld1.16 {d16}, [r0]!
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; CHECK-NEXT: subs r1, r1, #4
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; CHECK-NEXT: bne .LBB1_1
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entry:
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br label %vector.body
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vector.body:
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%index = phi i32 [ 0, %entry ], [ %index.next, %vector.body ]
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%0 = getelementptr inbounds half, half* %V, i32 %index
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%1 = bitcast half* %0 to <4 x half>*
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%wide.load = load volatile <4 x half>, <4 x half>* %1, align 2
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%index.next = add i32 %index, 4
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%cmp = icmp eq i32 %index.next, %N
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br i1 %cmp, label %byeblock, label %vector.body
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byeblock:
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ret void
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}
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attributes #0 = { norecurse nounwind readonly "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "target-cpu"="generic" "target-features"="+armv8.2-a,+fullfp16,+strict-align,-thumb-mode" "unsafe-fp-math"="true" "use-soft-float"="false" }
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