File: reproducer-remarks-debug.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (33 lines) | stat: -rw-r--r-- 1,035 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
; RUN: opt -passes=constraint-elimination -constraint-elimination-dump-reproducers -pass-remarks=constraint-elimination -debug %s 2>&1 | FileCheck %s

; REQUIRES: asserts

target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

; CHECK:      Condition icmp eq ptr %a, null implied by dominating constraints
; CHECK-NEXT: -1 * %a <= 0
; CHECK-NEXT: %a <= 0
; CHECK-NEXT: Creating reproducer for   %c.2 = icmp eq ptr %a, null
; CHECK-NEXT:   found external input ptr %a
; CHECK-NEXT:   Materializing assumption icmp eq ptr %a, null

define i1 @test_ptr_null_constant(ptr %a) {
; CHECK-LABEL: define i1 @"{{.+}}test_ptr_null_constantrepro"(ptr %a) {
; CHECK-NEXT: entry:
; CHECK-NEXT:   %0 = icmp eq ptr %a, null
; CHECK-NEXT:   call void @llvm.assume(i1 %0)
; CHECK-NEXT:   %c.2 = icmp eq ptr %a, null
; CHECK-NEXT:   ret i1 %c.2
; CHECK-NEXT: }
;
entry:
  %c.1 = icmp eq ptr %a, null
  br i1 %c.1, label %then, label %else

then:
  %c.2 = icmp eq ptr %a, null
  ret i1 %c.2

else:
  ret i1 false
}