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; RUN: opt < %s -simplifycfg -S | FileCheck %s
; PR3354
; Do not merge bb1 into the entry block, it might trap.
@G = extern_weak global i32
; CHECK-LABEL: @test(
; CHECK: br i1 %tmp25
; CHECK: bb1:
; CHECK: sdiv
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:
ret i32 927
}
; CHECK-LABEL: @test2(
; CHECK: br i1 %tmp34
; CHECK: bb5:
; CHECK: sdiv
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:
ret i32 927
}
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