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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
define i32 @and_umax_less(i32 %A) {
; CHECK-LABEL: @and_umax_less(
; CHECK-NEXT: [[X:%.*]] = and i32 [[A:%.*]], -32
; CHECK-NEXT: ret i32 [[X]]
;
%l0 = icmp ugt i32 31, %A
%l1 = select i1 %l0, i32 31, i32 %A
%x = and i32 %l1, -32
ret i32 %x
}
define i32 @and_umax_muchless(i32 %A) {
; CHECK-LABEL: @and_umax_muchless(
; CHECK-NEXT: [[X:%.*]] = and i32 [[A:%.*]], -32
; CHECK-NEXT: ret i32 [[X]]
;
%l0 = icmp ugt i32 12, %A
%l1 = select i1 %l0, i32 12, i32 %A
%x = and i32 %l1, -32
ret i32 %x
}
define i32 @and_umax_more(i32 %A) {
; CHECK-LABEL: @and_umax_more(
; CHECK-NEXT: [[L1:%.*]] = call i32 @llvm.umax.i32(i32 [[A:%.*]], i32 32)
; CHECK-NEXT: [[X:%.*]] = and i32 [[L1]], -32
; CHECK-NEXT: ret i32 [[X]]
;
%l0 = icmp ugt i32 32, %A
%l1 = select i1 %l0, i32 32, i32 %A
%x = and i32 %l1, -32
ret i32 %x
}
define i32 @shr_umax(i32 %A) {
; CHECK-LABEL: @shr_umax(
; CHECK-NEXT: [[X:%.*]] = lshr i32 [[A:%.*]], 4
; CHECK-NEXT: ret i32 [[X]]
;
%l0 = icmp ugt i32 15, %A
%l1 = select i1 %l0, i32 15, i32 %A
%x = lshr i32 %l1, 4
ret i32 %x
}
; Various constants for C2 & umax(A, C1)
define i8 @t_0_1(i8 %A) {
; CHECK-LABEL: @t_0_1(
; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 1
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 0
%l1 = select i1 %l2, i8 %A, i8 0
%x = and i8 %l1, 1
ret i8 %x
}
define i8 @t_0_10(i8 %A) {
; CHECK-LABEL: @t_0_10(
; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 10
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 0
%l1 = select i1 %l2, i8 %A, i8 0
%x = and i8 %l1, 10
ret i8 %x
}
define i8 @t_1_10(i8 %A) {
; CHECK-LABEL: @t_1_10(
; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 10
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 1
%l1 = select i1 %l2, i8 %A, i8 1
%x = and i8 %l1, 10
ret i8 %x
}
define i8 @t_2_4(i8 %A) {
; CHECK-LABEL: @t_2_4(
; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 4
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 2
%l1 = select i1 %l2, i8 %A, i8 2
%x = and i8 %l1, 4
ret i8 %x
}
define i8 @t_2_192(i8 %A) {
; CHECK-LABEL: @t_2_192(
; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], -64
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 2
%l1 = select i1 %l2, i8 %A, i8 2
%x = and i8 %l1, -64
ret i8 %x
}
define i8 @t_2_63_or(i8 %A) {
; CHECK-LABEL: @t_2_63_or(
; CHECK-NEXT: [[X:%.*]] = or i8 [[A:%.*]], 63
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 2
%l1 = select i1 %l2, i8 %A, i8 2
%x = or i8 %l1, 63
ret i8 %x
}
define i8 @f_1_1(i8 %A) {
; CHECK-LABEL: @f_1_1(
; CHECK-NEXT: [[L1:%.*]] = call i8 @llvm.umax.i8(i8 [[A:%.*]], i8 1)
; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], 1
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 1
%l1 = select i1 %l2, i8 %A, i8 1
%x = and i8 %l1, 1
ret i8 %x
}
define i8 @f_32_32(i8 %A) {
; CHECK-LABEL: @f_32_32(
; CHECK-NEXT: [[L1:%.*]] = call i8 @llvm.umax.i8(i8 [[A:%.*]], i8 32)
; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], -32
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 32
%l1 = select i1 %l2, i8 %A, i8 32
%x = and i8 %l1, -32
ret i8 %x
}
define i8 @f_191_192(i8 %A) {
; CHECK-LABEL: @f_191_192(
; CHECK-NEXT: [[L1:%.*]] = call i8 @llvm.umax.i8(i8 [[A:%.*]], i8 -65)
; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], -64
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 191
%l1 = select i1 %l2, i8 %A, i8 191
%x = and i8 %l1, 192
ret i8 %x
}
define i8 @f_10_1(i8 %A) {
; CHECK-LABEL: @f_10_1(
; CHECK-NEXT: [[L1:%.*]] = call i8 @llvm.umax.i8(i8 [[A:%.*]], i8 10)
; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], 1
; CHECK-NEXT: ret i8 [[X]]
;
%l2 = icmp ugt i8 %A, 10
%l1 = select i1 %l2, i8 %A, i8 10
%x = and i8 %l1, 1
ret i8 %x
}
define i32 @and_umin(i32 %A) {
; CHECK-LABEL: @and_umin(
; CHECK-NEXT: ret i32 0
;
%l0 = icmp ult i32 15, %A
%l1 = select i1 %l0, i32 15, i32 %A
%x = and i32 %l1, -32
ret i32 %x
}
define i32 @or_umin(i32 %A) {
; CHECK-LABEL: @or_umin(
; CHECK-NEXT: ret i32 31
;
%l0 = icmp ult i32 15, %A
%l1 = select i1 %l0, i32 15, i32 %A
%x = or i32 %l1, 31
ret i32 %x
}
define i8 @or_min_31_30(i8 %A) {
; CHECK-LABEL: @or_min_31_30(
; CHECK-NEXT: [[R:%.*]] = or i8 [[A:%.*]], 31
; CHECK-NEXT: ret i8 [[R]]
;
%cmp = icmp ult i8 %A, -30
%min = select i1 %cmp, i8 %A, i8 -30
%r = or i8 %min, 31
ret i8 %r
}
define i8 @and_min_7_7(i8 %A) {
; CHECK-LABEL: @and_min_7_7(
; CHECK-NEXT: [[R:%.*]] = and i8 [[A:%.*]], -8
; CHECK-NEXT: ret i8 [[R]]
;
%l2 = icmp ult i8 %A, -7
%min = select i1 %l2, i8 %A, i8 -7
%r = and i8 %min, -8
ret i8 %r
}
define i8 @and_min_7_8(i8 %A) {
; CHECK-LABEL: @and_min_7_8(
; CHECK-NEXT: [[R:%.*]] = and i8 [[A:%.*]], -8
; CHECK-NEXT: ret i8 [[R]]
;
%l2 = icmp ult i8 %A, -8
%min = select i1 %l2, i8 %A, i8 -8
%r = and i8 %min, -8
ret i8 %r
}
define i8 @and_min_7_9(i8 %A) {
; CHECK-LABEL: @and_min_7_9(
; CHECK-NEXT: [[MIN:%.*]] = call i8 @llvm.umin.i8(i8 [[A:%.*]], i8 -9)
; CHECK-NEXT: [[R:%.*]] = and i8 [[MIN]], -8
; CHECK-NEXT: ret i8 [[R]]
;
%l2 = icmp ult i8 %A, -9
%min = select i1 %l2, i8 %A, i8 -9
%r = and i8 %min, -8
ret i8 %r
}
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