forked from OSchip/llvm-project
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; Verify we do not create a SCoP in the presence of infinite loops.
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;
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; CHECK-NOT: Statements
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;
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64"
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define void @foo(i32* noalias nocapture readonly %xxx, i32* noalias nocapture readonly %yyy, i8*** nocapture readonly %zzz, i32 %conv6) {
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while.body.us.preheader:
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%a2 = load i8**, i8*** %zzz, align 4
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%sub = add nsw i32 %conv6, -1
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br label %while.body.us
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while.body.us: ; preds = %while.body.us.preheader, %if.then.us
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%uuu = phi i32 [ %www, %if.then.us ], [ 0, %while.body.us.preheader ]
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%a13 = load i32, i32* %yyy, align 8
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%vvv = icmp sgt i32 %a13, 0
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br i1 %vvv, label %while.body.13.us58.preheader, label %if.then.us
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while.body.13.us58.preheader: ; preds = %while.body.us
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br label %while.body.13.us58
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if.then.us: ; preds = %while.body.us
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%add.us = add nuw nsw i32 %uuu, 1
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tail call void @goo(i8** %a2, i32 %uuu, i8** %a2, i32 %add.us, i32 %sub, i32 %a13) #3
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%www = add nuw nsw i32 %uuu, %conv6
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%a14 = load i32, i32* %xxx, align 4
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%cmp.us = icmp slt i32 %www, %a14
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br i1 %cmp.us, label %while.body.us, label %while.end.21.loopexit145
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while.body.13.us58:
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br label %while.body.13.us58
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while.end.21.loopexit145:
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ret void
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}
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declare void @goo(i8**, i32, i8**, i32, i32, i32) #1
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