f4ee371e60
These flags are now always passed to all tests and need to be disabled if not needed. Disabling these flags, rather than passing them to almost all tests, significantly simplfies our RUN: lines. llvm-svn: 249422
43 lines
1.1 KiB
LLVM
43 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s -check-prefix=PHI
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; void f(long A[], long N) {
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; long i;
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; for (i = 0; i < N; ++i)
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; A[i] = i;
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; }
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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define void @f(i64* %A, i64 %N, i64 %p) nounwind {
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entry:
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fence seq_cst
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br label %pre
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pre:
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%p_tmp = srem i64 %p, 5
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br i1 true, label %for.i, label %then
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for.i:
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%indvar = phi i64 [ 0, %pre ], [ %indvar.next, %for.i ]
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%indvar.p1 = phi i64 [ 0, %pre ], [ %indvar.p1.next, %for.i ]
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%indvar.p2 = phi i64 [ 0, %pre ], [ %indvar.p2.next, %for.i ]
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%sum = add i64 %indvar, %indvar.p1
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%sum2 = sub i64 %sum, %indvar.p2
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%scevgep = getelementptr i64, i64* %A, i64 %indvar
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store i64 %indvar, i64* %scevgep
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%indvar.next = add nsw i64 %indvar, 1
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%indvar.p1.next = add nsw i64 %indvar.p1, %p_tmp
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%indvar.p2.next = add nsw i64 %indvar.p2, %p_tmp
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%exitcond = icmp eq i64 %sum2, %N
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br i1 %exitcond, label %then, label %for.i
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then:
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br label %return
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return:
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fence seq_cst
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ret void
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}
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; PHI: Valid Region for Scop: pre => return
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