blob: 950f9f2e04ab24f9e2f58bb8722f517cfd39c6d0 [file] [log] [blame]
; 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) {
%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