| ; 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: @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: @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 |
| } |
| |
