Files
llvm/test/Transforms/GVN/basic-undef-test.ll
T
Eric Christopher 598198edbc Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358552 91177308-0d34-0410-b5e6-96231b3b80d8
2019-04-17 04:52:47 +00:00

16 lines
419 B
LLVM

; RUN: opt -basicaa -gvn -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
}