mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
d2bf432b2b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145171 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.6 KiB
LLVM
43 lines
1.6 KiB
LLVM
; RUN: opt < %s -internalize -ipsccp -S | FileCheck %s
|
|
; PR5569
|
|
|
|
; IPSCCP should prove that the blocks are dead and delete them, and
|
|
; properly handle the dangling blockaddress constants.
|
|
|
|
; CHECK: @bar.l = internal constant [2 x i8*] [i8* inttoptr (i32 1 to i8*), i8* inttoptr (i32 1 to i8*)]
|
|
|
|
@code = global [5 x i32] [i32 0, i32 0, i32 0, i32 0, i32 1], align 4 ; <[5 x i32]*> [#uses=0]
|
|
@bar.l = internal constant [2 x i8*] [i8* blockaddress(@bar, %lab0), i8* blockaddress(@bar, %end)] ; <[2 x i8*]*> [#uses=1]
|
|
|
|
define void @foo(i32 %x) nounwind readnone {
|
|
entry:
|
|
%b = alloca i32, align 4 ; <i32*> [#uses=1]
|
|
store volatile i32 -1, i32* %b
|
|
ret void
|
|
}
|
|
|
|
define void @bar(i32* nocapture %pc) nounwind readonly {
|
|
entry:
|
|
br label %indirectgoto
|
|
|
|
lab0: ; preds = %indirectgoto
|
|
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
|
|
br label %indirectgoto
|
|
|
|
end: ; preds = %indirectgoto
|
|
ret void
|
|
|
|
indirectgoto: ; preds = %lab0, %entry
|
|
%indvar = phi i32 [ %indvar.next, %lab0 ], [ 0, %entry ] ; <i32> [#uses=2]
|
|
%pc.addr.0 = getelementptr i32* %pc, i32 %indvar ; <i32*> [#uses=1]
|
|
%tmp1.pn = load i32* %pc.addr.0 ; <i32> [#uses=1]
|
|
%indirect.goto.dest.in = getelementptr inbounds [2 x i8*]* @bar.l, i32 0, i32 %tmp1.pn ; <i8**> [#uses=1]
|
|
%indirect.goto.dest = load i8** %indirect.goto.dest.in ; <i8*> [#uses=1]
|
|
indirectbr i8* %indirect.goto.dest, [label %lab0, label %end]
|
|
}
|
|
|
|
define i32 @main() nounwind readnone {
|
|
entry:
|
|
ret i32 0
|
|
}
|