xref: /llvm-project/llvm/test/Analysis/ScalarEvolution/abs-intrinsic.ll (revision 50153213c80286c6c91da4612aaf234cc6438c63)

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s

declare i32 @llvm.abs.i32(i32, i1)

define i32 @abs_nonsw(i32 %x) {
; CHECK-LABEL: 'abs_nonsw'
; CHECK-NEXT:  Classifying expressions for: @abs_nonsw
; CHECK-NEXT:    %r = call i32 @llvm.abs.i32(i32 %x, i1 false)
; CHECK-NEXT:    --> ((-1 * %x) smax %x) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @abs_nonsw
;
  %r = call i32 @llvm.abs.i32(i32 %x, i1 0)
  ret i32 %r
}

define i32 @abs_nsw(i32 %x) {
; CHECK-LABEL: 'abs_nsw'
; CHECK-NEXT:  Classifying expressions for: @abs_nsw
; CHECK-NEXT:    %r = call i32 @llvm.abs.i32(i32 %x, i1 true)
; CHECK-NEXT:    --> ((-1 * %x)<nsw> smax %x) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @abs_nsw
;
  %r = call i32 @llvm.abs.i32(i32 %x, i1 1)
  ret i32 %r
}