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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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