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TheRock/compiler/amd-llvm/polly/test/ScopDetect/multidim-with-undef-size.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

36 lines
1.2 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; CHECK: Valid Region for Scop: bb14 => bb17
; Make sure we do not detect the larger region bb14->bb19 that contains
; a multi-dimensional memory access with a size of 'undef * undef'.
define void @hoge(ptr %arg) {
bb:
br label %bb6
bb6: ; preds = %bb
%tmp = mul i64 undef, undef
%tmp7 = add i64 %tmp, undef
%tmp8 = add i64 %tmp7, 0
%tmp9 = add i64 %tmp8, 8
%tmp10 = sub i64 %tmp9, undef
%tmp11 = getelementptr i8, ptr %arg, i64 %tmp10
%tmp12 = getelementptr inbounds i8, ptr %tmp11, i64 4
%tmp13 = getelementptr inbounds i8, ptr %tmp12, i64 20
br label %bb14
bb14: ; preds = %bb14, %bb6
%tmp15 = phi i32 [ %tmp16, %bb14 ], [ 2, %bb6 ]
%tmp16 = add nuw nsw i32 %tmp15, 1
br i1 false, label %bb14, label %bb17
bb17: ; preds = %bb14
store i32 undef, ptr %tmp13, align 4
br label %bb19
bb19: ; preds = %bb17
unreachable
}