mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
fddaa3193c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50560 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
1.3 KiB
LLVM
67 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | opt -simplifycfg -adce | llvm-dis | \
|
|
; RUN: not grep {call void @f1}
|
|
; END.
|
|
|
|
declare void @f1()
|
|
|
|
declare void @f2()
|
|
|
|
declare void @f3()
|
|
|
|
declare void @f4()
|
|
|
|
define i32 @test1(i32 %X, i1 %D) {
|
|
E:
|
|
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
|
|
br i1 %C, label %T, label %F
|
|
T: ; preds = %A, %E
|
|
br i1 %C, label %B, label %A
|
|
A: ; preds = %T
|
|
call void @f1( )
|
|
br i1 %D, label %T, label %F
|
|
B: ; preds = %T
|
|
call void @f2( )
|
|
ret i32 345
|
|
F: ; preds = %A, %E
|
|
call void @f3( )
|
|
ret i32 123
|
|
}
|
|
|
|
define i32 @test2(i32 %X, i1 %D) {
|
|
E:
|
|
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
|
|
br i1 %C, label %T, label %F
|
|
T: ; preds = %A, %E
|
|
%P = phi i1 [ true, %E ], [ %C, %A ] ; <i1> [#uses=1]
|
|
br i1 %P, label %B, label %A
|
|
A: ; preds = %T
|
|
call void @f1( )
|
|
br i1 %D, label %T, label %F
|
|
B: ; preds = %T
|
|
call void @f2( )
|
|
ret i32 345
|
|
F: ; preds = %A, %E
|
|
call void @f3( )
|
|
ret i32 123
|
|
}
|
|
|
|
define i32 @test3(i32 %X, i1 %D, i32* %AP, i32* %BP) {
|
|
E:
|
|
%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
|
|
br i1 %C, label %T, label %F
|
|
T: ; preds = %A, %E
|
|
call void @f3( )
|
|
%XX = load i32* %AP ; <i32> [#uses=1]
|
|
store i32 %XX, i32* %BP
|
|
br i1 %C, label %B, label %A
|
|
A: ; preds = %T
|
|
call void @f1( )
|
|
br i1 %D, label %T, label %F
|
|
B: ; preds = %T
|
|
call void @f2( )
|
|
ret i32 345
|
|
F: ; preds = %A, %E
|
|
call void @f3( )
|
|
ret i32 123
|
|
}
|