mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-24 20:29:53 +00:00
1a60ab87dc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281107 91177308-0d34-0410-b5e6-96231b3b80d8
201 lines
5.5 KiB
LLVM
201 lines
5.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
; Canonicalize vector ge/le comparisons with constants to gt/lt.
|
|
|
|
; Normal types are ConstantDataVectors. Test the constant values adjacent to the
|
|
; min/max values that we're not allowed to transform.
|
|
|
|
define <2 x i1> @sge(<2 x i8> %x) {
|
|
; CHECK-LABEL: @sge(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i8> %x, <i8 -128, i8 126>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sge <2 x i8> %x, <i8 -127, i8 -129>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @uge(<2 x i8> %x) {
|
|
; CHECK-LABEL: @uge(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i8> %x, <i8 -2, i8 0>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp uge <2 x i8> %x, <i8 -1, i8 1>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @sle(<2 x i8> %x) {
|
|
; CHECK-LABEL: @sle(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> %x, <i8 127, i8 -127>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i8> %x, <i8 126, i8 128>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @ule(<2 x i8> %x) {
|
|
; CHECK-LABEL: @ule(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i8> %x, <i8 -1, i8 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp ule <2 x i8> %x, <i8 254, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @ult_min_signed_value(<2 x i8> %x) {
|
|
; CHECK-LABEL: @ult_min_signed_value(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i8> %x, <i8 -1, i8 -1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp ult <2 x i8> %x, <i8 128, i8 128>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; Zeros are special: they're ConstantAggregateZero.
|
|
|
|
define <2 x i1> @sge_zero(<2 x i8> %x) {
|
|
; CHECK-LABEL: @sge_zero(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i8> %x, <i8 -1, i8 -1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sge <2 x i8> %x, <i8 0, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @uge_zero(<2 x i8> %x) {
|
|
; CHECK-LABEL: @uge_zero(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = icmp uge <2 x i8> %x, <i8 0, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @sle_zero(<2 x i8> %x) {
|
|
; CHECK-LABEL: @sle_zero(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> %x, <i8 1, i8 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i8> %x, <i8 0, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @ule_zero(<2 x i8> %x) {
|
|
; CHECK-LABEL: @ule_zero(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i8> %x, zeroinitializer
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp ule <2 x i8> %x, <i8 0, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; Weird types are ConstantVectors, not ConstantDataVectors. For an i3 type:
|
|
; Signed min = -4
|
|
; Unsigned min = 0
|
|
; Signed max = 3
|
|
; Unsigned max = 7
|
|
|
|
define <3 x i1> @sge_weird(<3 x i3> %x) {
|
|
; CHECK-LABEL: @sge_weird(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <3 x i3> %x, <i3 -4, i3 2, i3 -1>
|
|
; CHECK-NEXT: ret <3 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sge <3 x i3> %x, <i3 -3, i3 -5, i3 0>
|
|
ret <3 x i1> %cmp
|
|
}
|
|
|
|
define <3 x i1> @uge_weird(<3 x i3> %x) {
|
|
; CHECK-LABEL: @uge_weird(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <3 x i3> %x, <i3 -2, i3 0, i3 1>
|
|
; CHECK-NEXT: ret <3 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp uge <3 x i3> %x, <i3 -1, i3 1, i3 2>
|
|
ret <3 x i1> %cmp
|
|
}
|
|
|
|
define <3 x i1> @sle_weird(<3 x i3> %x) {
|
|
; CHECK-LABEL: @sle_weird(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <3 x i3> %x, <i3 3, i3 -3, i3 1>
|
|
; CHECK-NEXT: ret <3 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <3 x i3> %x, <i3 2, i3 4, i3 0>
|
|
ret <3 x i1> %cmp
|
|
}
|
|
|
|
define <3 x i1> @ule_weird(<3 x i3> %x) {
|
|
; CHECK-LABEL: @ule_weird(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ult <3 x i3> %x, <i3 -1, i3 1, i3 2>
|
|
; CHECK-NEXT: ret <3 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp ule <3 x i3> %x, <i3 6, i3 0, i3 1>
|
|
ret <3 x i1> %cmp
|
|
}
|
|
|
|
; We can't do the transform if any constants are already at the limits.
|
|
|
|
define <2 x i1> @sge_min(<2 x i3> %x) {
|
|
; CHECK-LABEL: @sge_min(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sge <2 x i3> %x, <i3 -4, i3 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sge <2 x i3> %x, <i3 -4, i3 1>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @uge_min(<2 x i3> %x) {
|
|
; CHECK-LABEL: @uge_min(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp uge <2 x i3> %x, <i3 1, i3 0>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp uge <2 x i3> %x, <i3 1, i3 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @sle_max(<2 x i3> %x) {
|
|
; CHECK-LABEL: @sle_max(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sle <2 x i3> %x, <i3 1, i3 3>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i3> %x, <i3 1, i3 3>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @ule_max(<2 x i3> %x) {
|
|
; CHECK-LABEL: @ule_max(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ule <2 x i3> %x, <i3 -1, i3 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp ule <2 x i3> %x, <i3 7, i3 1>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @PR27756_1(<2 x i8> %a) {
|
|
; CHECK-LABEL: @PR27756_1(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> %a, <i8 34, i8 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i8> %a, <i8 bitcast (<2 x i4> <i4 1, i4 2> to i8), i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; Undef elements don't prevent the transform of the comparison.
|
|
|
|
define <2 x i1> @PR27756_2(<2 x i8> %a) {
|
|
; CHECK-LABEL: @PR27756_2(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> %a, <i8 undef, i8 1>
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i8> %a, <i8 undef, i8 0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
@someglobal = global i32 0
|
|
|
|
define <2 x i1> @PR27786(<2 x i8> %a) {
|
|
; CHECK-LABEL: @PR27786(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sle <2 x i8> %a, bitcast (i16 ptrtoint (i32* @someglobal to i16) to <2 x i8>)
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%cmp = icmp sle <2 x i8> %a, bitcast (i16 ptrtoint (i32* @someglobal to i16) to <2 x i8>)
|
|
ret <2 x i1> %cmp
|
|
}
|