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      1 ; Trivial smoke test of basic block reordering. Different random seeds should
      2 ; generate different basic block layout.
      3 ; REQUIRES: allow_dump
      4 
      5 ; RUN: %p2i -i %s --filetype=asm --args -O2 -sz-seed=1 \
      6 ; RUN: -reorder-basic-blocks -threads=0 \
      7 ; RUN: | FileCheck %s --check-prefix=SEED1
      8 ; RUN: %p2i -i %s --filetype=asm --args -O2 -sz-seed=2 \
      9 ; RUN: -reorder-basic-blocks -threads=0 \
     10 ; RUN: | FileCheck %s --check-prefix=SEED2
     11 
     12 define internal void @basic_block_reordering(i32 %foo, i32 %bar) {
     13 entry:
     14   %r1 = icmp eq i32 %foo, %bar
     15   br i1 %r1, label %BB1, label %BB2
     16 BB1:
     17   %r2 = icmp sgt i32 %foo, %bar
     18   br i1 %r2, label %BB3, label %BB4
     19 BB2:
     20   %r3 = icmp slt i32 %foo, %bar
     21   br i1 %r3, label %BB3, label %BB4
     22 BB3:
     23   ret void
     24 BB4:
     25   ret void
     26 
     27 
     28 ; SEED1-LABEL: basic_block_reordering:
     29 ; SEED1: .Lbasic_block_reordering$entry:
     30 ; SEED1: .Lbasic_block_reordering$BB1:
     31 ; SEED1: .Lbasic_block_reordering$BB2:
     32 ; SEED1: .Lbasic_block_reordering$BB4:
     33 ; SEED1: .Lbasic_block_reordering$BB3:
     34 
     35 ; SEED2-LABEL: basic_block_reordering:
     36 ; SEED2: .Lbasic_block_reordering$entry:
     37 ; SEED2: .Lbasic_block_reordering$BB2:
     38 ; SEED2: .Lbasic_block_reordering$BB1:
     39 ; SEED2: .Lbasic_block_reordering$BB4:
     40 ; SEED2: .Lbasic_block_reordering$BB3
     41 }
     42