xref: /llvm-project/llvm/test/Transforms/InstSimplify/cmp_ext.ll (revision b280ee1dd7e9b36ae7aaa3953556e4b7a7f31a29)

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

define i1 @zext_uge_sext(i32 %x) {
; CHECK-LABEL: @zext_uge_sext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp uge i64 [[ZEXT]], [[SEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp uge i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_ugt_sext(i32 %x) {
; CHECK-LABEL: @zext_ugt_sext(
; CHECK-NEXT:    ret i1 false
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ugt i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_ult_sext(i32 %x) {
; CHECK-LABEL: @zext_ult_sext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i64 [[ZEXT]], [[SEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ult i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_ule_sext(i32 %x) {
; CHECK-LABEL: @zext_ule_sext(
; CHECK-NEXT:    ret i1 true
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ule i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_sge_sext(i32 %x) {
; CHECK-LABEL: @zext_sge_sext(
; CHECK-NEXT:    ret i1 true
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sge i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_sgt_sext(i32 %x) {
; CHECK-LABEL: @zext_sgt_sext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[ZEXT]], [[SEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sgt i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_slt_sext(i32 %x) {
; CHECK-LABEL: @zext_slt_sext(
; CHECK-NEXT:    ret i1 false
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp slt i64 %zext, %sext
  ret i1 %cmp
}

define i1 @zext_sle_sext(i32 %x) {
; CHECK-LABEL: @zext_sle_sext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp sle i64 [[ZEXT]], [[SEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sle i64 %zext, %sext
  ret i1 %cmp
}

define i1 @sext_uge_zext(i32 %x) {
; CHECK-LABEL: @sext_uge_zext(
; CHECK-NEXT:    ret i1 true
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp uge i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_ugt_zext(i32 %x) {
; CHECK-LABEL: @sext_ugt_zext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i64 [[SEXT]], [[ZEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ugt i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_ult_zext(i32 %x) {
; CHECK-LABEL: @sext_ult_zext(
; CHECK-NEXT:    ret i1 false
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ult i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_ule_zext(i32 %x) {
; CHECK-LABEL: @sext_ule_zext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp ule i64 [[SEXT]], [[ZEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp ule i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_sge_zext(i32 %x) {
; CHECK-LABEL: @sext_sge_zext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp sge i64 [[SEXT]], [[ZEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sge i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_sgt_zext(i32 %x) {
; CHECK-LABEL: @sext_sgt_zext(
; CHECK-NEXT:    ret i1 false
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sgt i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_slt_zext(i32 %x) {
; CHECK-LABEL: @sext_slt_zext(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[X]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[SEXT]], [[ZEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp slt i64 %sext, %zext
  ret i1 %cmp
}

define i1 @sext_sle_zext(i32 %x) {
; CHECK-LABEL: @sext_sle_zext(
; CHECK-NEXT:    ret i1 true
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %x to i64
  %cmp = icmp sle i64 %sext, %zext
  ret i1 %cmp
}

define <4 x i1> @zext_ugt_sext_vec(<4 x i32> %x) {
; CHECK-LABEL: @zext_ugt_sext_vec(
; CHECK-NEXT:    ret <4 x i1> zeroinitializer
;
  %sext = sext <4 x i32> %x to <4 x i64>
  %zext = zext <4 x i32> %x to <4 x i64>
  %cmp = icmp ugt <4 x i64> %zext, %sext
  ret <4 x i1> %cmp
}

define <4 x i1> @sext_ult_zext_vec(<4 x i32> %x) {
; CHECK-LABEL: @sext_ult_zext_vec(
; CHECK-NEXT:    ret <4 x i1> zeroinitializer
;
  %sext = sext <4 x i32> %x to <4 x i64>
  %zext = zext <4 x i32> %x to <4 x i64>
  %cmp = icmp ult <4 x i64> %sext, %zext
  ret <4 x i1> %cmp
}

define i1 @zext_ugt_sext_different_operand(i32 %x, i32 %y) {
; CHECK-LABEL: @zext_ugt_sext_different_operand(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[Y:%.*]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i64 [[ZEXT]], [[SEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %y to i64
  %cmp = icmp ugt i64 %zext, %sext
  ret i1 %cmp
}

define i1 @sext_ult_zext_different_operand(i32 %x, i32 %y) {
; CHECK-LABEL: @sext_ult_zext_different_operand(
; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i32 [[Y:%.*]] to i64
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i64 [[SEXT]], [[ZEXT]]
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sext = sext i32 %x to i64
  %zext = zext i32 %y to i64
  %cmp = icmp ult i64 %sext, %zext
  ret i1 %cmp
}