mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
3a4c856323
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
574 B
LLVM
19 lines
574 B
LLVM
; Potentially trapping instructions may be sunk as long as they are guaranteed
|
|
; to be executed.
|
|
;
|
|
; RUN: llvm-as < %s | opt -licm | llvm-dis | %prcontext div 1 | grep Out:
|
|
|
|
define i32 @test(i32 %N) {
|
|
Entry:
|
|
br label %Loop
|
|
Loop: ; preds = %Loop, %Entry
|
|
%N_addr.0.pn = phi i32 [ %dec, %Loop ], [ %N, %Entry ] ; <i32> [#uses=3]
|
|
%tmp.6 = sdiv i32 %N, %N_addr.0.pn ; <i32> [#uses=1]
|
|
%dec = add i32 %N_addr.0.pn, -1 ; <i32> [#uses=1]
|
|
%tmp.1 = icmp ne i32 %N_addr.0.pn, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp.1, label %Loop, label %Out
|
|
Out: ; preds = %Loop
|
|
ret i32 %tmp.6
|
|
}
|
|
|