; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -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: [[TMP1:%.*]] = icmp ugt i32 [[A:%.*]], 32 ; CHECK-NEXT: [[L1:%.*]] = select i1 [[TMP1]], 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: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 1 ; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], 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: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 32 ; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], 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: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], -65 ; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], 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: [[L2:%.*]] = icmp ugt i8 [[A:%.*]], 10 ; CHECK-NEXT: [[L1:%.*]] = select i1 [[L2]], 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: [[L2:%.*]] = icmp ult i8 [[A:%.*]], -9 ; CHECK-NEXT: [[MIN:%.*]] = select i1 [[L2]], 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 }