forked from OSchip/llvm-project
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-detect -polly-code-generator=isl -analyze < %s | FileCheck %s
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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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declare float* @getNextBasePtr(float*) readnone nounwind
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define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A, float* %B) {
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entry:
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br label %for.i
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for.i:
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%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
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br label %S1
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S1:
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; To get an instruction inside a region, we use a function without side
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; effects on which SCEV blocks, but for which it is still clear that the
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; return value remains invariant throughout the whole loop.
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%ptr = call float* @getNextBasePtr(float* %A)
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%conv = sitofp i64 %indvar.i to float
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%arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
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store float %conv, float* %arrayidx5, align 4
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store float 1.0, float* %B
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br label %for.i.inc
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for.i.inc:
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%indvar.i.next = add i64 %indvar.i, 1
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%exitcond.i = icmp ne i64 %indvar.i.next, %n
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br i1 %exitcond.i, label %for.i, label %exit
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exit:
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ret void
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}
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; CHECK-NOT: Valid Region for Scop
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