Mercurial > hg > CbC > CbC_llvm
view llvm/test/Transforms/CodeGenPrepare/X86/multi-extension.ll @ 173:0572611fdcc8 llvm10 llvm12
reorgnization done
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 11:55:54 +0900 |
parents | 1d019706d866 |
children | 1f2b6ac9f198 |
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; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown | FileCheck %s target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.13.0" declare void @bar(i64) @b = global i16 0, align 2 ; This test case is extracted from PR38125. ; %or is reachable by both a sext and zext that are going to be promoted. ; It ensures correct operation on PromotedInsts. ; CHECK: %promoted = trunc i32 %or to i16 ; CHECK-NEXT: %c = sext i16 %promoted to i64 define i32 @foo(i16 %kkk) { entry: %t4 = load i16, i16* @b, align 2 %conv4 = zext i16 %t4 to i32 %or = or i16 %kkk, %t4 %c = sext i16 %or to i64 call void @bar(i64 %c) %t5 = and i16 %or, 5 %z = zext i16 %t5 to i32 ret i32 %z }