forked from OSchip/llvm-project
49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops -disable-output < %s 2>&1 | FileCheck %s --check-prefix=REMARK
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; REMARK: remark: <unknown>:0:0: SCoP begins here.
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; REMARK-NEXT: remark: <unknown>:0:0: Use user assumption: [n] -> { : n <= 100 }
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; REMARK-NEXT: remark: <unknown>:0:0: Signed-unsigned restriction: [n] -> { : n < 0 }
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; REMARK-NEXT: remark: <unknown>:0:0: SCoP ends here.
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;
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; CHECK: Context:
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; CHECK-NEXT: [n] -> { : -9223372036854775808 <= n <= 100 }
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;
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; void foo(float A[][100], long n) {
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; for (long i = 0; i < n; i++)
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; A[42][i] = 42.0;
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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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@.src = private unnamed_addr constant [12 x i8] c"/tmp/test.c\00", align 1
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@0 = private unnamed_addr constant { i16, i16, [14 x i8] } { i16 -1, i16 0, [14 x i8] c"'float [100]'\00" }
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@1 = private unnamed_addr constant { i16, i16, [7 x i8] } { i16 0, i16 13, [7 x i8] c"'long'\00" }
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define void @foo([100 x float]* %A, i64 %n) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp ult i64 %i.0, %n
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%tmp = icmp slt i64 %i.0, 100
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call void @llvm.assume(i1 %tmp)
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%arrayidx1 = getelementptr inbounds [100 x float], [100 x float]* %A, i64 42, i64 %i.0
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store float 4.200000e+01, float* %arrayidx1, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add nuw nsw i64 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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declare void @llvm.assume(i1) #1
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