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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
237 lines
5.5 KiB
LLVM
237 lines
5.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine < %s | FileCheck %s
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define i32 @and_umax_less(i32 %A) {
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; CHECK-LABEL: @and_umax_less(
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; CHECK-NEXT: [[X:%.*]] = and i32 [[A:%.*]], -32
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; CHECK-NEXT: ret i32 [[X]]
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;
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%l0 = icmp ugt i32 31, %A
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%l1 = select i1 %l0, i32 31, i32 %A
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%x = and i32 %l1, -32
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ret i32 %x
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}
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define i32 @and_umax_muchless(i32 %A) {
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; CHECK-LABEL: @and_umax_muchless(
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; CHECK-NEXT: [[X:%.*]] = and i32 [[A:%.*]], -32
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; CHECK-NEXT: ret i32 [[X]]
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;
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%l0 = icmp ugt i32 12, %A
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%l1 = select i1 %l0, i32 12, i32 %A
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%x = and i32 %l1, -32
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ret i32 %x
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}
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define i32 @and_umax_more(i32 %A) {
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; CHECK-LABEL: @and_umax_more(
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[A:%.*]], 32
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; CHECK-NEXT: [[L1:%.*]] = select i1 [[TMP1]], i32 [[A]], i32 32
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; CHECK-NEXT: [[X:%.*]] = and i32 [[L1]], -32
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; CHECK-NEXT: ret i32 [[X]]
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;
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%l0 = icmp ugt i32 32, %A
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%l1 = select i1 %l0, i32 32, i32 %A
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%x = and i32 %l1, -32
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ret i32 %x
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}
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define i32 @shr_umax(i32 %A) {
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; CHECK-LABEL: @shr_umax(
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; CHECK-NEXT: [[X:%.*]] = lshr i32 [[A:%.*]], 4
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; CHECK-NEXT: ret i32 [[X]]
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;
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%l0 = icmp ugt i32 15, %A
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%l1 = select i1 %l0, i32 15, i32 %A
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%x = lshr i32 %l1, 4
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ret i32 %x
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}
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; Various constants for C2 & umax(A, C1)
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define i8 @t_0_1(i8 %A) {
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; CHECK-LABEL: @t_0_1(
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; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 1
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 0
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%l1 = select i1 %l2, i8 %A, i8 0
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%x = and i8 %l1, 1
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ret i8 %x
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}
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define i8 @t_0_10(i8 %A) {
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; CHECK-LABEL: @t_0_10(
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; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 10
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 0
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%l1 = select i1 %l2, i8 %A, i8 0
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%x = and i8 %l1, 10
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ret i8 %x
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}
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define i8 @t_1_10(i8 %A) {
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; CHECK-LABEL: @t_1_10(
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; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 10
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 1
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%l1 = select i1 %l2, i8 %A, i8 1
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%x = and i8 %l1, 10
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ret i8 %x
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}
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define i8 @t_2_4(i8 %A) {
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; CHECK-LABEL: @t_2_4(
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; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], 4
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 2
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%l1 = select i1 %l2, i8 %A, i8 2
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%x = and i8 %l1, 4
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ret i8 %x
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}
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define i8 @t_2_192(i8 %A) {
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; CHECK-LABEL: @t_2_192(
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; CHECK-NEXT: [[X:%.*]] = and i8 [[A:%.*]], -64
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 2
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%l1 = select i1 %l2, i8 %A, i8 2
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%x = and i8 %l1, -64
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ret i8 %x
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}
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define i8 @t_2_63_or(i8 %A) {
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; CHECK-LABEL: @t_2_63_or(
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; CHECK-NEXT: [[X:%.*]] = or i8 [[A:%.*]], 63
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 2
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%l1 = select i1 %l2, i8 %A, i8 2
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%x = or i8 %l1, 63
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ret i8 %x
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}
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define i8 @f_1_1(i8 %A) {
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; CHECK-LABEL: @f_1_1(
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; CHECK-NEXT: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 1
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; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], i8 [[A]], i8 1
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; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], 1
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 1
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%l1 = select i1 %l2, i8 %A, i8 1
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%x = and i8 %l1, 1
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ret i8 %x
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}
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define i8 @f_32_32(i8 %A) {
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; CHECK-LABEL: @f_32_32(
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; CHECK-NEXT: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 32
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; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], i8 [[A]], i8 32
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; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], -32
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 32
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%l1 = select i1 %l2, i8 %A, i8 32
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%x = and i8 %l1, -32
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ret i8 %x
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}
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define i8 @f_191_192(i8 %A) {
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; CHECK-LABEL: @f_191_192(
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; CHECK-NEXT: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], -65
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; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], i8 [[A]], i8 -65
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; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], -64
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 191
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%l1 = select i1 %l2, i8 %A, i8 191
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%x = and i8 %l1, 192
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ret i8 %x
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}
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define i8 @f_10_1(i8 %A) {
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; CHECK-LABEL: @f_10_1(
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; CHECK-NEXT: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 10
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; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], i8 [[A]], i8 10
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; CHECK-NEXT: [[X:%.*]] = and i8 [[L1]], 1
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; CHECK-NEXT: ret i8 [[X]]
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;
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%l2 = icmp ugt i8 %A, 10
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%l1 = select i1 %l2, i8 %A, i8 10
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%x = and i8 %l1, 1
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ret i8 %x
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}
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define i32 @and_umin(i32 %A) {
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; CHECK-LABEL: @and_umin(
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; CHECK-NEXT: ret i32 0
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;
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%l0 = icmp ult i32 15, %A
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%l1 = select i1 %l0, i32 15, i32 %A
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%x = and i32 %l1, -32
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ret i32 %x
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}
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define i32 @or_umin(i32 %A) {
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; CHECK-LABEL: @or_umin(
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; CHECK-NEXT: ret i32 31
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;
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%l0 = icmp ult i32 15, %A
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%l1 = select i1 %l0, i32 15, i32 %A
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%x = or i32 %l1, 31
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ret i32 %x
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}
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define i8 @or_min_31_30(i8 %A) {
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; CHECK-LABEL: @or_min_31_30(
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; CHECK-NEXT: [[R:%.*]] = or i8 [[A:%.*]], 31
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; CHECK-NEXT: ret i8 [[R]]
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;
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%cmp = icmp ult i8 %A, -30
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%min = select i1 %cmp, i8 %A, i8 -30
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%r = or i8 %min, 31
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ret i8 %r
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}
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define i8 @and_min_7_7(i8 %A) {
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; CHECK-LABEL: @and_min_7_7(
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; CHECK-NEXT: [[R:%.*]] = and i8 [[A:%.*]], -8
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; CHECK-NEXT: ret i8 [[R]]
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;
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%l2 = icmp ult i8 %A, -7
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%min = select i1 %l2, i8 %A, i8 -7
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%r = and i8 %min, -8
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ret i8 %r
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}
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define i8 @and_min_7_8(i8 %A) {
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; CHECK-LABEL: @and_min_7_8(
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; CHECK-NEXT: [[R:%.*]] = and i8 [[A:%.*]], -8
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; CHECK-NEXT: ret i8 [[R]]
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;
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%l2 = icmp ult i8 %A, -8
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%min = select i1 %l2, i8 %A, i8 -8
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%r = and i8 %min, -8
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ret i8 %r
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}
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define i8 @and_min_7_9(i8 %A) {
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; CHECK-LABEL: @and_min_7_9(
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; CHECK-NEXT: [[L2:%.*]] = icmp ult i8 [[A:%.*]], -9
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; CHECK-NEXT: [[MIN:%.*]] = select i1 [[L2]], i8 [[A]], i8 -9
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; CHECK-NEXT: [[R:%.*]] = and i8 [[MIN]], -8
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; CHECK-NEXT: ret i8 [[R]]
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;
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%l2 = icmp ult i8 %A, -9
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%min = select i1 %l2, i8 %A, i8 -9
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%r = and i8 %min, -8
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ret i8 %r
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}
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