llvm-project/llvm/test/Analysis/ScalarEvolution/add-like-or.ll

17 lines
696 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s -S -analyze -scalar-evolution | FileCheck %s
define i8 @or-of-constant-with-no-common-bits-set(i8 %x, i8 %y) {
; CHECK-LABEL: 'or-of-constant-with-no-common-bits-set'
; CHECK-NEXT: Classifying expressions for: @or-of-constant-with-no-common-bits-set
; CHECK-NEXT: %t0 = shl i8 %x, 2
; CHECK-NEXT: --> (4 * %x) U: [0,-3) S: [-128,125)
; CHECK-NEXT: %r = or i8 %t0, 3
; CHECK-NEXT: --> (3 + (4 * %x))<nuw><nsw> U: [3,0) S: [-125,-128)
; CHECK-NEXT: Determining loop execution counts for: @or-of-constant-with-no-common-bits-set
;
%t0 = shl i8 %x, 2
%r = or i8 %t0, 3
ret i8 %r
}