mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 17:33:24 +00:00
683283763f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48484 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
701 B
LLVM
19 lines
701 B
LLVM
; Test promotion of loads that use the result of a select instruction. This
|
|
; should be simplified by the instcombine pass.
|
|
|
|
; RUN: llvm-as < %s | opt -instcombine -mem2reg | llvm-dis | not grep alloca
|
|
|
|
define i32 @main() {
|
|
%mem_tmp.0 = alloca i32 ; <i32*> [#uses=3]
|
|
%mem_tmp.1 = alloca i32 ; <i32*> [#uses=3]
|
|
store i32 0, i32* %mem_tmp.0
|
|
store i32 1, i32* %mem_tmp.1
|
|
%tmp.1.i = load i32* %mem_tmp.1 ; <i32> [#uses=1]
|
|
%tmp.3.i = load i32* %mem_tmp.0 ; <i32> [#uses=1]
|
|
%tmp.4.i = icmp sle i32 %tmp.1.i, %tmp.3.i ; <i1> [#uses=1]
|
|
%mem_tmp.i.0 = select i1 %tmp.4.i, i32* %mem_tmp.1, i32* %mem_tmp.0 ; <i32*> [#uses=1]
|
|
%tmp.3 = load i32* %mem_tmp.i.0 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|