llvm-6502/test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll
Tanya Lattner e6d5d39c07 Upgrade tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48538 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19 07:28:33 +00:00

17 lines
498 B
LLVM

; Promoting some values allows promotion of other values.
; RUN: llvm-as < %s | opt -mem2reg | llvm-dis | not grep alloca
define i32 @test2() {
%result = alloca i32 ; <i32*> [#uses=2]
%a = alloca i32 ; <i32*> [#uses=2]
%p = alloca i32* ; <i32**> [#uses=2]
store i32 0, i32* %a
store i32* %a, i32** %p
%tmp.0 = load i32** %p ; <i32*> [#uses=1]
%tmp.1 = load i32* %tmp.0 ; <i32> [#uses=1]
store i32 %tmp.1, i32* %result
%tmp.2 = load i32* %result ; <i32> [#uses=1]
ret i32 %tmp.2
}