File: pr45682.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (37 lines) | stat: -rw-r--r-- 1,043 bytes parent folder | download | duplicates (8)
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
34
35
36
37
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -O3 -S < %s                    | FileCheck %s
; RUN: opt -passes='default<O3>' -S < %s  | FileCheck %s

define void @PR45682(i32 %x, i32 %y) {
; CHECK-LABEL: @PR45682(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[Y:%.*]], 0
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[CMP]])
; CHECK-NEXT:    ret void
;
entry:
  %x.addr = alloca i32, align 4
  %y.addr = alloca i32, align 4
  store i32 %x, ptr %x.addr, align 4
  store i32 %y, ptr %y.addr, align 4
  %0 = load i32, ptr %y.addr, align 4
  %cmp = icmp sgt i32 %0, 0
  call void @llvm.assume(i1 %cmp)
  %1 = load i32, ptr %y.addr, align 4
  %2 = load i32, ptr %x.addr, align 4
  %add = add nsw i32 %2, %1
  store i32 %add, ptr %x.addr, align 4
  %3 = load i32, ptr %x.addr, align 4
  %cmp1 = icmp eq i32 %3, -2147483648
  br i1 %cmp1, label %if.then, label %if.end

if.then:
  call void @v()
  br label %if.end

if.end:
  ret void
}

declare void @v()
declare void @llvm.assume(i1)