Mercurial > hg > CbC > CbC_llvm
view polly/test/ScopInfo/restriction_in_dead_block.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
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; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s ; ; Verify we do not generate an empty invalid context only because the wrap ; in the second conditional will always happen if the block is executed. ; ; CHECK: Invalid Context: ; CHECK-NEXT: [N] -> { : N > 0 } ; ; void f(char *A, char N) { ; for (char i = 0; i < 10; i++) { ; if (N > 0) ; if (1 + 127 * N > 0) ; A[i] = 1; ; A[i] = 0; ; } ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(ptr %A, i8 signext %N) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i8 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %exitcond = icmp ne i8 %indvars.iv, 10 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %cmp3 = icmp sgt i8 %N, 0 br i1 %cmp3, label %if.then, label %if.end10 if.then: ; preds = %for.body %mul = mul i8 %N, 127 %add = add i8 1, %mul %cmp7 = icmp sgt i8 %add, 0 br i1 %cmp7, label %if.then9, label %if.end10 if.then9: ; preds = %if.end %arrayidx = getelementptr inbounds i8, ptr %A, i8 %indvars.iv store i8 1, ptr %arrayidx, align 1 br label %if.end10 if.end10: ; preds = %if.then9, %if.end %arrayidx12 = getelementptr inbounds i8, ptr %A, i8 %indvars.iv store i8 0, ptr %arrayidx12, align 1 br label %for.inc for.inc: ; preds = %if.end10, %if.then %indvars.iv.next = add nuw nsw i8 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }