1 ; RUN: opt -correlated-propagation -S %s | FileCheck %s 2 ; RUN: opt -passes=correlated-propagation -S %s | FileCheck %s 3 4 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5 target triple = "x86_64-apple-macosx10.10.0" 6 7 ; Function Attrs: noreturn 8 declare void @check1(i1) #1 9 10 ; Function Attrs: noreturn 11 declare void @check2(i1) #1 12 13 ; Make sure we propagate the value of %tmp35 to the true/false cases 14 ; CHECK-LABEL: @test1 15 ; CHECK: call void @check1(i1 false) 16 ; CHECK: call void @check2(i1 true) 17 define void @test1(i64 %tmp35) { 18 bb: 19 %tmp36 = icmp sgt i64 %tmp35, 0 20 br i1 %tmp36, label %bb_true, label %bb_false 21 22 bb_true: 23 %tmp47 = icmp slt i64 %tmp35, 0 24 tail call void @check1(i1 %tmp47) #4 25 unreachable 26 27 bb_false: 28 %tmp48 = icmp sle i64 %tmp35, 0 29 tail call void @check2(i1 %tmp48) #4 30 unreachable 31 } 32 33 ; Function Attrs: noreturn 34 ; This is the same as test1 but with a diamond to ensure we 35 ; get %tmp36 from both true and false BBs. 36 ; CHECK-LABEL: @test2 37 ; CHECK: call void @check1(i1 false) 38 ; CHECK: call void @check2(i1 true) 39 define void @test2(i64 %tmp35, i1 %inner_cmp) { 40 bb: 41 %tmp36 = icmp sgt i64 %tmp35, 0 42 br i1 %tmp36, label %bb_true, label %bb_false 43 44 bb_true: 45 br i1 %inner_cmp, label %inner_true, label %inner_false 46 47 inner_true: 48 br label %merge 49 50 inner_false: 51 br label %merge 52 53 merge: 54 %tmp47 = icmp slt i64 %tmp35, 0 55 tail call void @check1(i1 %tmp47) #0 56 unreachable 57 58 bb_false: 59 %tmp48 = icmp sle i64 %tmp35, 0 60 tail call void @check2(i1 %tmp48) #4 61 unreachable 62 } 63 64 attributes #4 = { noreturn } 65
