Mercurial > hg > CbC > CbC_llvm
view polly/test/CodeGen/scev_looking_through_bitcasts.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
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; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s ; ; Scalar write of bitcasted value. Instead of writing %b of type ; %structty, the SCEV expression looks through the bitcast such that ; SCEVExpander returns %add.ptr81.i of type i8* to be the new value ; of %b. ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" %structty = type { ptr, ptr, i32, [2 x i64] } define void @bitmap_set_range() { entry: %a = ptrtoint ptr undef to i64 br label %cond.end32.i cond.end32.i: br i1 false, label %cond.true67.i, label %cond.end73.i cond.true67.i: br label %cond.end73.i cond.end73.i: %add.ptr81.i = getelementptr inbounds i8, ptr null, i64 %a br label %bitmap_element_allocate.exit bitmap_element_allocate.exit: %tobool43 = icmp eq ptr %add.ptr81.i, null ret void } ; CHECK: polly.stmt.cond.end73.i: ; CHECK-NEXT: %scevgep = getelementptr i8, ptr null, i64 %a ; CHECK-NEXT: store ptr %scevgep, ptr %add.ptr81.i.s2a, align 8 ; CHECK-NEXT: br label %polly.exiting