mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
7c65d4345e
Make use of the END. facility on all files > 1K so that we aren't wasting CPU cycles searching for RUN: lines that we'll never find. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36059 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
|
|
; RUN: grep select | not grep {i32\\*}
|
|
; END.
|
|
|
|
; This testcase corresponds to PR362, which notices that this horrible code
|
|
; is generated by the C++ front-end and LLVM optimizers, which has lots of
|
|
; loads and other stuff that are unneeded.
|
|
;
|
|
; Instcombine should propagate the load through the select instructions to
|
|
; allow elimination of the extra stuff by the mem2reg pass.
|
|
|
|
implementation ; Functions:
|
|
|
|
void %_Z5test1RiS_(int* %x, int* %y) {
|
|
entry:
|
|
%tmp.1.i = load int* %y ; <int> [#uses=1]
|
|
%tmp.3.i = load int* %x ; <int> [#uses=1]
|
|
%tmp.4.i = setlt int %tmp.1.i, %tmp.3.i ; <bool> [#uses=1]
|
|
%retval.i = select bool %tmp.4.i, int* %y, int* %x ; <int*> [#uses=1]
|
|
%tmp.4 = load int* %retval.i ; <int> [#uses=1]
|
|
store int %tmp.4, int* %x
|
|
ret void
|
|
}
|
|
|
|
void %_Z5test2RiS_(int* %x, int* %y) {
|
|
entry:
|
|
%tmp.0 = alloca int ; <int*> [#uses=2]
|
|
%tmp.2 = load int* %x ; <int> [#uses=2]
|
|
store int %tmp.2, int* %tmp.0
|
|
%tmp.3.i = load int* %y ; <int> [#uses=1]
|
|
%tmp.4.i = setlt int %tmp.2, %tmp.3.i ; <bool> [#uses=1]
|
|
%retval.i = select bool %tmp.4.i, int* %y, int* %tmp.0 ; <int*> [#uses=1]
|
|
%tmp.6 = load int* %retval.i ; <int> [#uses=1]
|
|
store int %tmp.6, int* %y
|
|
ret void
|
|
}
|