mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-30 21:29:28 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
758 B
LLVM
25 lines
758 B
LLVM
; This testcase ensures that we can sink instructions from loops with
|
|
; multiple exits.
|
|
;
|
|
; RUN: llvm-as < %s | opt -licm | llvm-dis | \
|
|
; RUN: %prcontext mul 1 | grep {Out\[12\]:}
|
|
|
|
define i32 @test(i32 %N, i1 %C) {
|
|
Entry:
|
|
br label %Loop
|
|
Loop: ; preds = %ContLoop, %Entry
|
|
%N_addr.0.pn = phi i32 [ %dec, %ContLoop ], [ %N, %Entry ] ; <i32> [#uses=3]
|
|
%tmp.6 = mul i32 %N, %N_addr.0.pn ; <i32> [#uses=1]
|
|
%tmp.7 = sub i32 %tmp.6, %N ; <i32> [#uses=2]
|
|
%dec = add i32 %N_addr.0.pn, -1 ; <i32> [#uses=1]
|
|
br i1 %C, label %ContLoop, label %Out1
|
|
ContLoop: ; preds = %Loop
|
|
%tmp.1 = icmp ne i32 %N_addr.0.pn, 1 ; <i1> [#uses=1]
|
|
br i1 %tmp.1, label %Loop, label %Out2
|
|
Out1: ; preds = %Loop
|
|
ret i32 %tmp.7
|
|
Out2: ; preds = %ContLoop
|
|
ret i32 %tmp.7
|
|
}
|
|
|