test/Analysis/ScalarEvolution/scalable-vector.ll

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

define void @vscale_gep(ptr %p) {
; CHECK-LABEL: 'vscale_gep'
; CHECK-NEXT:  Classifying expressions for: @vscale_gep
; CHECK-NEXT:    %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 3
; CHECK-NEXT:    --> ((48 * vscale) + null) U: [0,-15) S: [-9223372036854775808,9223372036854775793)
; CHECK-NEXT:    %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 1
; CHECK-NEXT:    --> ((8 * vscale) + %p) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @vscale_gep
;
  getelementptr <vscale x 4 x i32>, ptr null, i32 3
  getelementptr <vscale x 1 x i64>, ptr %p, i32 1
  ret void
}

define void @vscale_gep_range(ptr %p) vscale_range(2, 16) {
; CHECK-LABEL: 'vscale_gep_range'
; CHECK-NEXT:  Classifying expressions for: @vscale_gep_range
; CHECK-NEXT:    %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 3
; CHECK-NEXT:    --> ((48 * vscale)<nuw><nsw> + null) U: [96,769) S: [96,769)
; CHECK-NEXT:    %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 1
; CHECK-NEXT:    --> ((8 * vscale)<nuw><nsw> + %p) U: full-set S: full-set
; CHECK-NEXT:  Determining loop execution counts for: @vscale_gep_range
;
  getelementptr <vscale x 4 x i32>, ptr null, i32 3
  getelementptr <vscale x 1 x i64>, ptr %p, i32 1
  ret void
}

define i64 @vscale_no_range() {
; CHECK-LABEL: 'vscale_no_range'
; CHECK-NEXT:  Classifying expressions for: @vscale_no_range
; CHECK-NEXT:    %vscale = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    --> vscale U: [1,0) S: [1,0)
; CHECK-NEXT:  Determining loop execution counts for: @vscale_no_range
;
  %vscale = call i64 @llvm.vscale.i64()
  ret i64 %vscale
}

define i64 @vscale_min_max_range() vscale_range(2, 16) {
; CHECK-LABEL: 'vscale_min_max_range'
; CHECK-NEXT:  Classifying expressions for: @vscale_min_max_range
; CHECK-NEXT:    %vscale = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    --> vscale U: [2,17) S: [2,17)
; CHECK-NEXT:  Determining loop execution counts for: @vscale_min_max_range
;
  %vscale = call i64 @llvm.vscale.i64()
  ret i64 %vscale
}

define i64 @vscale_min_range() vscale_range(2, 0) {
; CHECK-LABEL: 'vscale_min_range'
; CHECK-NEXT:  Classifying expressions for: @vscale_min_range
; CHECK-NEXT:    %vscale = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    --> vscale U: [2,0) S: [2,0)
; CHECK-NEXT:  Determining loop execution counts for: @vscale_min_range
;
  %vscale = call i64 @llvm.vscale.i64()
  ret i64 %vscale
}

define i64 @vscale_exact_range() vscale_range(2) {
; CHECK-LABEL: 'vscale_exact_range'
; CHECK-NEXT:  Classifying expressions for: @vscale_exact_range
; CHECK-NEXT:    %vscale = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    --> vscale U: [2,3) S: [2,3)
; CHECK-NEXT:  Determining loop execution counts for: @vscale_exact_range
;
  %vscale = call i64 @llvm.vscale.i64()
  ret i64 %vscale
}

declare i64 @llvm.vscale.i64()