llvm-mirror/test/Transforms/NewGVN/basic-undef-test.ll

; RUN: opt -basic-aa -newgvn -S < %s | FileCheck %s
; ModuleID = 'test3.ll'
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"

define i32 @main(i32 *%foo)  {
entry:
; CHECK: load i32, i32* %foo, align 4
  %0 = load i32, i32* %foo, align 4
  store i32 5, i32* undef, align 4
; CHECK-NOT: load i32, i32* %foo, align 4
  %1 = load i32, i32* %foo, align 4
; CHECK: add i32 %0, %0
  %2 = add i32 %0, %1
  ret i32 %2
}
[NewPM][BasicAA] basicaa -> basic-aa in Transforms/{New,}GVN Summary: Following https://reviews.llvm.org/D82607. Reviewers: ychen Subscribers: asbirlea, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D82688 2020-06-27 00:10:30 +02:00			`; RUN: opt -basic-aa -newgvn -S < %s \| FileCheck %s`
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552 2019-04-17 06:52:47 +02:00			`; ModuleID = 'test3.ll'`
			`target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"`

			`define i32 @main(i32 *%foo) {`
			`entry:`
			`; CHECK: load i32, i32* %foo, align 4`
			`%0 = load i32, i32* %foo, align 4`
			`store i32 5, i32* undef, align 4`
			`; CHECK-NOT: load i32, i32* %foo, align 4`
			`%1 = load i32, i32* %foo, align 4`
			`; CHECK: add i32 %0, %0`
			`%2 = add i32 %0, %1`
			`ret i32 %2`
			`}`