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TheRock/compiler/amd-llvm/polly/test/ScopDetect/run_time_alias_check.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

36 lines
1.1 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s
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"
declare ptr @getNextBasePtr(ptr) readnone nounwind
define void @base_pointer_is_inst_inside_invariant_1(i64 %n, ptr %A, ptr %B) {
entry:
br label %for.i
for.i:
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
br label %S1
S1:
; To get an instruction inside a region, we use a function without side
; effects on which SCEV blocks, but for which it is still clear that the
; return value remains invariant throughout the whole loop.
%ptr = call ptr @getNextBasePtr(ptr %A)
%conv = sitofp i64 %indvar.i to float
%arrayidx5 = getelementptr float, ptr %ptr, i64 %indvar.i
store float %conv, ptr %arrayidx5, align 4
store float 1.0, ptr %B
br label %for.i.inc
for.i.inc:
%indvar.i.next = add i64 %indvar.i, 1
%exitcond.i = icmp ne i64 %indvar.i.next, %n
br i1 %exitcond.i, label %for.i, label %exit
exit:
ret void
}
; CHECK-NOT: Valid Region for Scop