mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-25 14:30:32 +00:00
6ff645bf0f
trapping instruction be executed unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
469 B
LLVM
21 lines
469 B
LLVM
; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep {br i1 } | count 2
|
|
; PR3354
|
|
; Do not merge bb1 into the entry block, it might trap.
|
|
|
|
@G = extern_weak global i32
|
|
|
|
define i32 @test(i32 %tmp21, i32 %tmp24) {
|
|
%tmp25 = icmp sle i32 %tmp21, %tmp24
|
|
br i1 %tmp25, label %bb2, label %bb1
|
|
|
|
bb1: ; preds = %bb
|
|
%tmp26 = icmp sgt i32 sdiv (i32 -32768, i32 ptrtoint (i32* @G to i32)), 0
|
|
br i1 %tmp26, label %bb6, label %bb2
|
|
bb2:
|
|
ret i32 42
|
|
|
|
bb6:
|
|
unwind
|
|
}
|
|
|