| ; RUN: opt -correlated-propagation -S %s | FileCheck %s |
| ; RUN: opt -passes=correlated-propagation -S %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| ; Function Attrs: noreturn |
| declare void @check1(i1) #1 |
| |
| ; Function Attrs: noreturn |
| declare void @check2(i1) #1 |
| |
| ; Make sure we propagate the value of %tmp35 to the true/false cases |
| ; CHECK-LABEL: @test1 |
| ; CHECK: call void @check1(i1 false) |
| ; CHECK: call void @check2(i1 true) |
| define void @test1(i64 %tmp35) { |
| bb: |
| %tmp36 = icmp sgt i64 %tmp35, 0 |
| br i1 %tmp36, label %bb_true, label %bb_false |
| |
| bb_true: |
| %tmp47 = icmp slt i64 %tmp35, 0 |
| tail call void @check1(i1 %tmp47) #4 |
| unreachable |
| |
| bb_false: |
| %tmp48 = icmp sle i64 %tmp35, 0 |
| tail call void @check2(i1 %tmp48) #4 |
| unreachable |
| } |
| |
| ; Function Attrs: noreturn |
| ; This is the same as test1 but with a diamond to ensure we |
| ; get %tmp36 from both true and false BBs. |
| ; CHECK-LABEL: @test2 |
| ; CHECK: call void @check1(i1 false) |
| ; CHECK: call void @check2(i1 true) |
| define void @test2(i64 %tmp35, i1 %inner_cmp) { |
| bb: |
| %tmp36 = icmp sgt i64 %tmp35, 0 |
| br i1 %tmp36, label %bb_true, label %bb_false |
| |
| bb_true: |
| br i1 %inner_cmp, label %inner_true, label %inner_false |
| |
| inner_true: |
| br label %merge |
| |
| inner_false: |
| br label %merge |
| |
| merge: |
| %tmp47 = icmp slt i64 %tmp35, 0 |
| tail call void @check1(i1 %tmp47) #0 |
| unreachable |
| |
| bb_false: |
| %tmp48 = icmp sle i64 %tmp35, 0 |
| tail call void @check2(i1 %tmp48) #4 |
| unreachable |
| } |
| |
| attributes #4 = { noreturn } |
