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https://github.com/c64scene-ar/llvm-6502.git
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d4f643a5df
Iterating over loops from the LoopInfo instance only provides top-level loops. We need to search the whole tree of loops to find the inner ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234603 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.8 KiB
LLVM
67 lines
2.8 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-bgq-linux"
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; Function Attrs: nounwind
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define void @foo(double* %x, double* nocapture readonly %y) #0 {
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entry:
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%scevgep = getelementptr double, double* %x, i64 1599
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%scevgep20 = getelementptr double, double* %y, i64 1599
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br label %vector.memcheck
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vector.memcheck: ; preds = %for.end, %entry
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%j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ]
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%bound0 = icmp uge double* %scevgep20, %x
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%bound1 = icmp uge double* %scevgep, %y
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%memcheck.conflict = and i1 %bound0, %bound1
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br i1 %memcheck.conflict, label %middle.block, label %vector.body
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vector.body: ; preds = %vector.memcheck, %vector.body
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%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ]
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%0 = getelementptr inbounds double, double* %y, i64 %index
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%1 = bitcast double* %0 to <4 x double>*
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%wide.load = load <4 x double>, <4 x double>* %1, align 8
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%2 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
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%3 = getelementptr inbounds double, double* %x, i64 %index
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%4 = bitcast double* %3 to <4 x double>*
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store <4 x double> %2, <4 x double>* %4, align 8
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%index.next = add i64 %index, 4
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%5 = icmp eq i64 %index.next, 1600
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br i1 %5, label %middle.block, label %vector.body
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middle.block: ; preds = %vector.body, %vector.memcheck
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%resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ]
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%trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ]
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br i1 %resume.val, label %for.end, label %for.body3
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for.body3: ; preds = %middle.block, %for.body3
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ]
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%arrayidx = getelementptr inbounds double, double* %y, i64 %indvars.iv
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%6 = load double, double* %arrayidx, align 8
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%add = fadd double %6, 1.000000e+00
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%arrayidx5 = getelementptr inbounds double, double* %x, i64 %indvars.iv
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store double %add, double* %arrayidx5, align 8
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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, 1600
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br i1 %exitcond, label %for.end, label %for.body3
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for.end: ; preds = %middle.block, %for.body3
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tail call void @bar(double* %x) #2
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%inc7 = add nuw nsw i32 %j.015, 1
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%exitcond16 = icmp eq i32 %inc7, 100
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br i1 %exitcond16, label %for.end8, label %vector.memcheck
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for.end8: ; preds = %for.end
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ret void
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; CHECK-LABEL: @foo
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; CHECK: dcbt
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}
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declare void @bar(double*) #1
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attributes #0 = { nounwind "target-cpu"="a2q" }
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attributes #1 = { "target-cpu"="a2q" }
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attributes #2 = { nounwind }
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