1 ; RUN: opt -correlated-propagation -S %s | FileCheck %s 2 ; CHECK-LABEL: @test-ashr 3 ; CHECK: bb_then 4 ; CHECK: %. = select i1 true, i32 3, i32 2 5 define i32 @test-ashr(i32 %c) { 6 chk65: 7 %cmp = icmp sgt i32 %c, 65 8 br i1 %cmp, label %return, label %chk0 9 10 chk0: 11 %cmp1 = icmp slt i32 %c, 0 12 br i1 %cmp, label %return, label %bb_if 13 14 bb_if: 15 %ashr.val = ashr exact i32 %c, 2 16 %cmp2 = icmp sgt i32 %ashr.val, 15 17 br i1 %cmp2, label %bb_then, label %return 18 19 bb_then: 20 %cmp3 = icmp eq i32 %ashr.val, 16 21 %. = select i1 %cmp3, i32 3, i32 2 22 br label %return 23 24 return: 25 %retval = phi i32 [0, %chk65], [1, %chk0], [%., %bb_then], [4, %bb_if] 26 ret i32 %retval 27 } 28
