forked from OSchip/llvm-project
34 lines
1009 B
LLVM
34 lines
1009 B
LLVM
; RUN: opt %loadPolly -polly-code-generator=isl -polly-scops -analyze < %s | FileCheck %s
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;
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; void foo(float *A, float *B, float *C, long N) {
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; for (long i = 0; i < N; i++)
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; C[i] = A[i] + B[i];
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; }
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;
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; CHECK: Alias Groups (2):
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;
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; This test case verifies that we do not create run-time checks for two
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; read-only arrays.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(float* %A, float* %B, float* %C, i64 %N) {
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entry:
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br label %for.body
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for.body:
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
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%arrayidx.A = getelementptr float* %A, i64 %indvar
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%arrayidx.B = getelementptr float* %B, i64 %indvar
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%arrayidx.C = getelementptr float* %C, i64 %indvar
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%val.A = load float* %arrayidx.A
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%val.B = load float* %arrayidx.B
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%add = fadd float %val.A, %val.B
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store float %add, float* %arrayidx.C
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%indvar.next = add nsw i64 %indvar, 1
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%exitcond = icmp ne i64 %indvar.next, %N
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br i1 %exitcond, label %for.body, label %for.end
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for.end:
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ret void
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}
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