llvm/llvm/test/Transforms/CorrelatedValuePropagation/minmaxabs.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=correlated-propagation < %s | FileCheck %s

declare i32 @llvm.umin.i32(i32, i32)
declare i32 @llvm.umax.i32(i32, i32)
declare i32 @llvm.smin.i32(i32, i32)
declare i32 @llvm.smax.i32(i32, i32)
declare i32 @llvm.abs.i32(i32, i1)
declare void @use(i1)

define void @test_umin(i32 %x) {
; CHECK-LABEL: @test_umin(
; CHECK-NEXT:    [[M:%.*]] = call i32 @llvm.umin.i32(i32 [[X:%.*]], i32 10)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ult i32 [[M]], 10
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %m = call i32 @llvm.umin.i32(i32 %x, i32 10)
  %c1 = icmp ule i32 %m, 10
  call void @use(i1 %c1)
  %c2 = icmp ult i32 %m, 10
  call void @use(i1 %c2)
  ret void
}

define void @test_umax(i32 %x) {
; CHECK-LABEL: @test_umax(
; CHECK-NEXT:    [[M:%.*]] = call i32 @llvm.umax.i32(i32 [[X:%.*]], i32 10)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ugt i32 [[M]], 10
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %m = call i32 @llvm.umax.i32(i32 %x, i32 10)
  %c1 = icmp uge i32 %m, 10
  call void @use(i1 %c1)
  %c2 = icmp ugt i32 %m, 10
  call void @use(i1 %c2)
  ret void
}

define void @test_smin(i32 %x) {
; CHECK-LABEL: @test_smin(
; CHECK-NEXT:    [[M:%.*]] = call i32 @llvm.smin.i32(i32 [[X:%.*]], i32 10)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp slt i32 [[M]], 10
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %m = call i32 @llvm.smin.i32(i32 %x, i32 10)
  %c1 = icmp sle i32 %m, 10
  call void @use(i1 %c1)
  %c2 = icmp slt i32 %m, 10
  call void @use(i1 %c2)
  ret void
}

define void @test_smax(i32 %x) {
; CHECK-LABEL: @test_smax(
; CHECK-NEXT:    [[M:%.*]] = call i32 @llvm.smax.i32(i32 [[X:%.*]], i32 10)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ugt i32 [[M]], 10
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %m = call i32 @llvm.smax.i32(i32 %x, i32 10)
  %c1 = icmp sge i32 %m, 10
  call void @use(i1 %c1)
  %c2 = icmp sgt i32 %m, 10
  call void @use(i1 %c2)
  ret void
}

define void @test_abs1(ptr %p) {
; CHECK-LABEL: @test_abs1(
; CHECK-NEXT:    [[X:%.*]] = load i32, ptr [[P:%.*]], align 4, !range [[RNG0:![0-9]+]]
; CHECK-NEXT:    [[A:%.*]] = call i32 @llvm.abs.i32(i32 [[X]], i1 true)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ult i32 [[A]], 15
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %x = load i32, ptr %p, !range !{i32 -15, i32 10}
  %a = call i32 @llvm.abs.i32(i32 %x, i1 false)
  %c1 = icmp ule i32 %a, 15
  call void @use(i1 %c1)
  %c2 = icmp ult i32 %a, 15
  call void @use(i1 %c2)
  ret void
}

define void @test_abs2(i32 %x) {
; CHECK-LABEL: @test_abs2(
; CHECK-NEXT:    [[A:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 false)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ult i32 [[A]], -2147483648
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %a = call i32 @llvm.abs.i32(i32 %x, i1 false)
  %c1 = icmp ule i32 %a, 2147483648
  call void @use(i1 %c1)
  %c2 = icmp ult i32 %a, 2147483648
  call void @use(i1 %c2)
  ret void
}

define void @test_abs3(i32 %x) {
; CHECK-LABEL: @test_abs3(
; CHECK-NEXT:    [[A:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
; CHECK-NEXT:    call void @use(i1 true)
; CHECK-NEXT:    [[C2:%.*]] = icmp ugt i32 [[A]], 0
; CHECK-NEXT:    call void @use(i1 [[C2]])
; CHECK-NEXT:    ret void
;
  %a = call i32 @llvm.abs.i32(i32 %x, i1 true)
  %c1 = icmp sge i32 %a, 0
  call void @use(i1 %c1)
  %c2 = icmp sgt i32 %a, 0
  call void @use(i1 %c2)
  ret void
}