forked from OSchip/llvm-project
124 lines
4.8 KiB
LLVM
124 lines
4.8 KiB
LLVM
; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops -disable-output < %s 2>&1 | FileCheck %s
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s --check-prefix=SCOP
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;
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; CHECK: remark: <unknown>:0:0: SCoP begins here.
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; CHECK-NEXT: remark: <unknown>:0:0: Use user assumption: [M, N] -> { : N <= 2147483647 - M }
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; CHECK-NEXT: remark: <unknown>:0:0: Use user assumption: [M, N] -> { : -2147483648 - M <= N <= 2147483647 - M }
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; CHECK-NEXT: remark: <unknown>:0:0: Use user assumption: [M, N, Debug] -> { : Debug = 0 and 0 < M <= 100 and -2147483648 - M <= N <= 2147483647 - M }
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; CHECK-NEXT: remark: <unknown>:0:0: Use user assumption: [M, N, Debug] -> { : Debug = 0 and 0 < M <= 100 and 0 < N <= 2147483647 - M }
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; CHECK-NEXT: remark: <unknown>:0:0: SCoP ends here.
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; SCOP: Context:
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; SCOP-NEXT: [N, M, Debug] -> { : Debug = 0 and N > 0 and 0 < M <= 2147483647 - N and M <= 100 }
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; SCOP: Assumed Context:
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; SCOP-NEXT: [N, M, Debug] -> { : }
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; SCOP: Invalid Context:
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; SCOP-NEXT: [N, M, Debug] -> { : false }
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;
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; #include <stdio.h>
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;
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; void valid(int * restrict A, int * restrict B, int N, int M, int C[100][100], int Debug) {
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; __builtin_assume(M <= 2147483647 - N);
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; __builtin_assume(M >= -2147483648 - N);
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; __builtin_assume(Debug == 0 && M <= 100 && M >= 1 && N >= 1);
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; if (N + M == -1)
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; C[0][0] = 0;
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;
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; for (int i = 0; i < N; i++) {
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; for (int j = 0; j != M; j++) {
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; C[i][j] += A[i * M + j] + B[i + j];
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; }
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;
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; if (Debug)
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; printf("Printf!");
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; }
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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@.str = private unnamed_addr constant [8 x i8] c"Printf!\00", align 1
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define void @valid(i32* noalias %A, i32* noalias %B, i32 %N, i32 %M, [100 x i32]* %C, i32 %Debug) {
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entry:
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%sub = sub nsw i32 2147483647, %N
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%cmp = icmp sge i32 %sub, %M
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call void @llvm.assume(i1 %cmp)
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%conv = sext i32 %M to i64
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%conv1 = sext i32 %N to i64
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%sub2 = sub nsw i64 -2147483648, %conv1
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%cmp3 = icmp sge i64 %conv, %sub2
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call void @llvm.assume(i1 %cmp3)
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%cmp5 = icmp eq i32 %Debug, 0
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%cmp7 = icmp slt i32 %M, 101
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%or.cond = and i1 %cmp5, %cmp7
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%cmp10 = icmp sgt i32 %M, 0
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%or.cond1 = and i1 %or.cond, %cmp10
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%cmp12 = icmp sgt i32 %N, 0
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call void @llvm.assume(i1 %or.cond1)
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call void @llvm.assume(i1 %cmp12)
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%add = add nsw i32 %N, %M
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%cmp14 = icmp eq i32 %add, -1
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br label %entry.split
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entry.split:
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br i1 %cmp14, label %if.then, label %if.end
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if.then: ; preds = %entry
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%arrayidx16 = getelementptr inbounds [100 x i32], [100 x i32]* %C, i64 0, i64 0
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store i32 0, i32* %arrayidx16, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%M64 = sext i32 %M to i64
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%N64 = sext i32 %N to i64
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br label %for.cond
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for.cond: ; preds = %for.inc.36, %if.end
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc.36 ], [ 0, %if.end ]
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%cmp17 = icmp slt i64 %indvars.iv3, %N64
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br i1 %cmp17, label %for.cond.19, label %for.end.38
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for.cond.19: ; preds = %for.cond, %for.body.22
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body.22 ], [ 0, %for.cond ]
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%cmp20 = icmp eq i64 %indvars.iv, %M64
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br i1 %cmp20, label %for.end, label %for.body.22
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for.body.22: ; preds = %for.cond.19
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%tmp9 = mul nsw i64 %indvars.iv3, %M64
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%tmp10 = add nsw i64 %tmp9, %indvars.iv
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%arrayidx24 = getelementptr inbounds i32, i32* %A, i64 %tmp10
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%tmp11 = load i32, i32* %arrayidx24, align 4
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%tmp12 = add nuw nsw i64 %indvars.iv3, %indvars.iv
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%arrayidx27 = getelementptr inbounds i32, i32* %B, i64 %tmp12
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%tmp13 = load i32, i32* %arrayidx27, align 4
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%add28 = add nsw i32 %tmp11, %tmp13
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%arrayidx32 = getelementptr inbounds [100 x i32], [100 x i32]* %C, i64 %indvars.iv3, i64 %indvars.iv
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%tmp14 = load i32, i32* %arrayidx32, align 4
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%add33 = add nsw i32 %tmp14, %add28
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store i32 %add33, i32* %arrayidx32, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond.19
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for.end: ; preds = %for.cond.19
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%tobool = icmp eq i32 %Debug, 0
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br i1 %tobool, label %for.inc.36, label %if.then.34
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if.then.34: ; preds = %for.end
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%call = call i32 (i8*, ...) @printf(i8* nonnull getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
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br label %for.inc.36
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for.inc.36: ; preds = %for.end, %if.then.34
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%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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br label %for.cond
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for.end.38: ; preds = %for.cond
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.assume(i1) #0
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declare i32 @printf(i8*, ...)
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attributes #0 = { nounwind }
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