mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 04:29:21 +00:00
e04f865da2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22317 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
1.7 KiB
LLVM
52 lines
1.7 KiB
LLVM
; RUN: llvm-as < %s | opt -mem2reg -instcombine | llvm-dis | grep store
|
|
; PR590
|
|
|
|
void %zero(sbyte* %p, int %n) {
|
|
entry:
|
|
%p_addr = alloca sbyte* ; <sbyte**> [#uses=2]
|
|
%n_addr = alloca int ; <int*> [#uses=2]
|
|
%i = alloca int ; <int*> [#uses=6]
|
|
%out = alloca int ; <int*> [#uses=2]
|
|
%undef = alloca int ; <int*> [#uses=2]
|
|
store sbyte* %p, sbyte** %p_addr
|
|
store int %n, int* %n_addr
|
|
store int 0, int* %i
|
|
br label %loopentry
|
|
|
|
loopentry: ; preds = %endif, %entry
|
|
%tmp.0 = load int* %n_addr ; <int> [#uses=1]
|
|
%tmp.1 = add int %tmp.0, 1 ; <int> [#uses=1]
|
|
%tmp.2 = load int* %i ; <int> [#uses=1]
|
|
%tmp.3 = setgt int %tmp.1, %tmp.2 ; <bool> [#uses=2]
|
|
%tmp.4 = cast bool %tmp.3 to int ; <int> [#uses=0]
|
|
br bool %tmp.3, label %no_exit, label %return
|
|
|
|
no_exit: ; preds = %loopentry
|
|
%tmp.5 = load int* %undef ; <int> [#uses=1]
|
|
store int %tmp.5, int* %out
|
|
store int 0, int* %undef
|
|
%tmp.6 = load int* %i ; <int> [#uses=1]
|
|
%tmp.7 = setgt int %tmp.6, 0 ; <bool> [#uses=2]
|
|
%tmp.8 = cast bool %tmp.7 to int ; <int> [#uses=0]
|
|
br bool %tmp.7, label %then, label %endif
|
|
|
|
then: ; preds = %no_exit
|
|
%tmp.9 = load sbyte** %p_addr ; <sbyte*> [#uses=1]
|
|
%tmp.10 = load int* %i ; <int> [#uses=1]
|
|
%tmp.11 = sub int %tmp.10, 1 ; <int> [#uses=1]
|
|
%tmp.12 = getelementptr sbyte* %tmp.9, int %tmp.11 ; <sbyte*> [#uses=1]
|
|
%tmp.13 = load int* %out ; <int> [#uses=1]
|
|
%tmp.14 = cast int %tmp.13 to sbyte ; <sbyte> [#uses=1]
|
|
store sbyte %tmp.14, sbyte* %tmp.12
|
|
br label %endif
|
|
|
|
endif: ; preds = %then, %no_exit
|
|
%tmp.15 = load int* %i ; <int> [#uses=1]
|
|
%inc = add int %tmp.15, 1 ; <int> [#uses=1]
|
|
store int %inc, int* %i
|
|
br label %loopentry
|
|
|
|
return: ; preds = %loopentry
|
|
ret void
|
|
}
|