forked from OSchip/llvm-project
51 lines
1.7 KiB
LLVM
51 lines
1.7 KiB
LLVM
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; Legacy pass manager
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; RUN: opt -transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning < %s 2>&1 | FileCheck -allow-empty %s
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;
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; New pass manager
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; RUN: opt -passes=transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning < %s 2>&1 | FileCheck -allow-empty %s
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;
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; Verify that no transformation warnings are emitted for functions with
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; 'optnone' attribute.
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;
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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define void @func(i32* nocapture %A, i32* nocapture readonly %B, i32 %Length) #0 {
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entry:
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%cmp9 = icmp sgt i32 %Length, 0
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br i1 %cmp9, label %for.body.preheader, label %for.end
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for.body.preheader:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4
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%idxprom1 = sext i32 %0 to i64
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1
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%1 = load i32, i32* %arrayidx2, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 %1, i32* %arrayidx4, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %Length
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br i1 %exitcond, label %for.end.loopexit, label %for.body, !llvm.loop !0
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for.end.loopexit:
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br label %for.end
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for.end:
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ret void
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}
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attributes #0 = { noinline optnone }
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!0 = distinct !{!0, !1, !2, !3}
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!1 = !{!"llvm.loop.unroll.enable"}
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!2 = !{!"llvm.loop.distribute.enable"}
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!3 = !{!"llvm.loop.unroll_and_jam.enable"}
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!4 = !{!"llvm.loop.vectorize.enable", i1 true}
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; CHECK-NOT: warning
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