Mercurial > hg > CbC > CbC_llvm
view polly/test/ScopInfo/zero_ext_of_truncate.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-invariant-load-hoisting=true -polly-print-scops -disable-output < %s | FileCheck %s ; ; void f(unsigned *restrict I, unsigned *restrict A, unsigned N, unsigned M) { ; for (unsigned i = 0; i < N; i++) { ; unsigned char V = *I; ; if (V < M) ; A[i]++; ; } ; } ; ; FIXME: The truncated value should be a paramter. ; CHECK: Assumed Context: ; CHECK-NEXT: [N, tmp, M] -> { : } ; CHECK-NEXT: Invalid Context: ; CHECK-NEXT: [N, tmp, M] -> { : N < 0 or (N > 0 and tmp >= 128) or (N > 0 and tmp < 0) or (N > 0 and M < 0) } ; ; CHECK: Domain := ; CHECK-NEXT: [N, tmp, M] -> { Stmt_if_then[i0] : tmp >= 0 and M > tmp and 0 <= i0 < N }; ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(ptr noalias %I, ptr noalias %A, i32 %N, i32 %M) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %lftr.wideiv = trunc i64 %indvars.iv to i32 %exitcond = icmp ne i32 %lftr.wideiv, %N br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %tmp = load i32, ptr %I, align 4 %conv1 = and i32 %tmp, 255 %cmp2 = icmp ult i32 %conv1, %M br i1 %cmp2, label %if.then, label %if.end if.then: ; preds = %for.body %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv %tmp1 = load i32, ptr %arrayidx, align 4 %inc = add i32 %tmp1, 1 store i32 %inc, ptr %arrayidx, align 4 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }