forked from OSchip/llvm-project
32 lines
700 B
LLVM
32 lines
700 B
LLVM
; RUN: opt < %s -simplifycfg -S | grep {br i1 } | count 4
|
|
; 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
|
|
}
|
|
|
|
define i32 @test2(i32 %tmp21, i32 %tmp24, i1 %tmp34) {
|
|
br i1 %tmp34, label %bb5, label %bb6
|
|
|
|
bb5: ; preds = %bb4
|
|
br i1 icmp sgt (i32 sdiv (i32 32767, i32 ptrtoint (i32* @G to i32)), i32 0), label %bb6, label %bb7
|
|
bb6:
|
|
ret i32 42
|
|
bb7:
|
|
unwind
|
|
}
|
|
|