test/Analysis/ScalarEvolution/minmax-intrinsics.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution < %s | FileCheck %s
; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s

declare i32 @llvm.umax.i32(i32, i32)
declare i32 @llvm.umin.i32(i32, i32)
declare i32 @llvm.smax.i32(i32, i32)
declare i32 @llvm.smin.i32(i32, i32)

define i32 @umax(i32 %x, i32 %y) {
; CHECK-LABEL: 'umax'
; CHECK-NEXT:  Classifying expressions for: @umax
; CHECK-NEXT:    %z = call i32 @llvm.umax.i32(i32 %x, i32 %y)
; CHECK-NEXT:    --> (%x umax %y) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @umax
;
  %z = call i32 @llvm.umax.i32(i32 %x, i32 %y)
  ret i32 %z
}

define i32 @umin(i32 %x, i32 %y) {
; CHECK-LABEL: 'umin'
; CHECK-NEXT:  Classifying expressions for: @umin
; CHECK-NEXT:    %z = call i32 @llvm.umin.i32(i32 %x, i32 %y)
; CHECK-NEXT:    --> (%x umin %y) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @umin
;
  %z = call i32 @llvm.umin.i32(i32 %x, i32 %y)
  ret i32 %z
}

define i32 @smax(i32 %x, i32 %y) {
; CHECK-LABEL: 'smax'
; CHECK-NEXT:  Classifying expressions for: @smax
; CHECK-NEXT:    %z = call i32 @llvm.smax.i32(i32 %x, i32 %y)
; CHECK-NEXT:    --> (%x smax %y) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @smax
;
  %z = call i32 @llvm.smax.i32(i32 %x, i32 %y)
  ret i32 %z
}

define i32 @smin(i32 %x, i32 %y) {
; CHECK-LABEL: 'smin'
; CHECK-NEXT:  Classifying expressions for: @smin
; CHECK-NEXT:    %z = call i32 @llvm.smin.i32(i32 %x, i32 %y)
; CHECK-NEXT:    --> (%x smin %y) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @smin
;
  %z = call i32 @llvm.smin.i32(i32 %x, i32 %y)
  ret i32 %z
}

define i32 @clamp(i32 %x) {
; CHECK-LABEL: 'clamp'
; CHECK-NEXT:  Classifying expressions for: @clamp
; CHECK-NEXT:    %y = call i32 @llvm.umax.i32(i32 %x, i32 10)
; CHECK-NEXT:    --> (10 umax %x) U: [10,0) S: [10,0)
; CHECK-NEXT:    %z = call i32 @llvm.umin.i32(i32 %y, i32 20)
; CHECK-NEXT:    --> (20 umin (10 umax %x)) U: [10,21) S: [10,21)
; CHECK-NEXT:  Determining loop execution counts for: @clamp
;
  %y = call i32 @llvm.umax.i32(i32 %x, i32 10)
  %z = call i32 @llvm.umin.i32(i32 %y, i32 20)
  ret i32 %z
}