forked from OSchip/llvm-project
75 lines
3.3 KiB
LLVM
75 lines
3.3 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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%class.FullMatrix = type { i8 }
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%class.Vector = type { float* }
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$test = comdat any
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define weak_odr void @test(%class.FullMatrix* %this, %class.Vector* dereferenceable(8) %p1, %class.Vector* dereferenceable(8), i1 zeroext) {
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entry:
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%call = tail call signext i32 @fn1(%class.FullMatrix* %this)
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%cmp10 = icmp sgt i32 %call, 0
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br i1 %cmp10, label %for.body.lr.ph, label %for.cond.cleanup
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for.body.lr.ph: ; preds = %entry
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%val.i = getelementptr inbounds %class.Vector, %class.Vector* %p1, i64 0, i32 0
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%2 = load float*, float** %val.i, align 8
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%wide.trip.count = zext i32 %call to i64
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%min.iters.check = icmp ult i32 %call, 4
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br i1 %min.iters.check, label %for.body.preheader, label %min.iters.checked
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for.body.preheader: ; preds = %middle.block, %min.iters.checked, %for.body.lr.ph
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%indvars.iv.ph = phi i64 [ 0, %min.iters.checked ], [ 0, %for.body.lr.ph ], [ %n.vec, %middle.block ]
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br label %for.body
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min.iters.checked: ; preds = %for.body.lr.ph
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%3 = and i32 %call, 3
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%n.mod.vf = zext i32 %3 to i64
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%n.vec = sub nsw i64 %wide.trip.count, %n.mod.vf
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%cmp.zero = icmp eq i64 %n.vec, 0
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br i1 %cmp.zero, label %for.body.preheader, label %vector.body.preheader
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vector.body.preheader: ; preds = %min.iters.checked
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br label %vector.body
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vector.body: ; preds = %vector.body.preheader, %vector.body
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%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.body.preheader ]
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%4 = getelementptr inbounds float, float* %2, i64 %index
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%5 = bitcast float* %4 to <4 x float>*
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%wide.load = load <4 x float>, <4 x float>* %5, align 4
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%6 = fpext <4 x float> %wide.load to <4 x ppc_fp128>
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%7 = fadd <4 x ppc_fp128> %6, undef
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%8 = fptrunc <4 x ppc_fp128> %7 to <4 x float>
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%9 = bitcast float* %4 to <4 x float>*
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store <4 x float> %8, <4 x float>* %9, align 4
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%index.next = add i64 %index, 4
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%10 = icmp eq i64 %index.next, %n.vec
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br i1 %10, label %middle.block, label %vector.body
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middle.block: ; preds = %vector.body
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%cmp.n = icmp eq i32 %3, 0
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br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader
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for.cond.cleanup.loopexit: ; preds = %for.body
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %middle.block, %entry
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ret void
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ]
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%arrayidx.i = getelementptr inbounds float, float* %2, i64 %indvars.iv
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%11 = load float, float* %arrayidx.i, align 4
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%conv = fpext float %11 to ppc_fp128
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%add = fadd ppc_fp128 %conv, undef
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%conv4 = fptrunc ppc_fp128 %add to float
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store float %conv4, float* %arrayidx.i, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
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; CHECK: stxsdx
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; CHECK: lxvd2x
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}
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declare signext i32 @fn1(%class.FullMatrix*) local_unnamed_addr #1
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