File: pr23751.ll

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llvm-toolchain-15 1%3A15.0.6-4

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sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567

file content (13 lines) | stat: -rw-r--r-- 296 bytes

; RUN: opt -passes=instcombine -S < %s | FileCheck %s

@d = common global i32 0, align 4

define i1 @f(i8 zeroext %p) #1 {
; CHECK-NOT: ret i1 false
  %1 = zext i8 %p to i32
  %2 = load i32, i32* @d, align 4
  %3 = or i32 %2, -2
  %4 = add nsw i32 %3, %1
  %5 = icmp ugt i32 %1, %4
  ret i1 %5
}