1 ; RUN: opt -passes=constraint-elimination -constraint-elimination-dump-reproducers -pass-remarks=constraint-elimination -debug %s 2>&1 | FileCheck %s
5 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
7 ; CHECK: Condition icmp eq ptr %a, null implied by dominating constraints
8 ; CHECK-NEXT: -1 * %a <= 0
10 ; CHECK-NEXT: Creating reproducer for %c.2 = icmp eq ptr %a, null
11 ; CHECK-NEXT: found external input ptr %a
12 ; CHECK-NEXT: Materializing assumption icmp eq ptr %a, null
14 define i1 @test_ptr_null_constant(ptr %a) {
15 ; CHECK-LABEL: define i1 @"{{.+}}test_ptr_null_constantrepro"(ptr %a) {
17 ; CHECK-NEXT: %0 = icmp eq ptr %a, null
18 ; CHECK-NEXT: call void @llvm.assume(i1 %0)
19 ; CHECK-NEXT: %c.2 = icmp eq ptr %a, null
20 ; CHECK-NEXT: ret i1 %c.2
24 %c.1 = icmp eq ptr %a, null
25 br i1 %c.1, label %then, label %else
28 %c.2 = icmp eq ptr %a, null