; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i1 @cmp_x_and_negp2_with_eq(i8 %x) { ; CHECK-LABEL: @cmp_x_and_negp2_with_eq( ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[X:%.*]], -126 ; CHECK-NEXT: ret i1 [[R]] ; %andx = and i8 %x, -2 %r = icmp eq i8 %andx, 128 ret i1 %r } define i1 @cmp_x_and_negp2_with_eq_fail_not_signmask(i8 %x) { ; CHECK-LABEL: @cmp_x_and_negp2_with_eq_fail_not_signmask( ; CHECK-NEXT: [[ANDX:%.*]] = and i8 [[X:%.*]], -2 ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[ANDX]], -124 ; CHECK-NEXT: ret i1 [[R]] ; %andx = and i8 %x, -2 %r = icmp eq i8 %andx, 132 ret i1 %r } define <2 x i1> @cmp_x_and_negp2_with_ne(<2 x i8> %x) { ; CHECK-LABEL: @cmp_x_and_negp2_with_ne( ; CHECK-NEXT: [[R:%.*]] = icmp sgt <2 x i8> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[R]] ; %andx = and <2 x i8> %x, %r = icmp ne <2 x i8> %andx, ret <2 x i1> %r } define <2 x i1> @cmp_x_and_negp2_with_ne_or_z(<2 x i8> %x) { ; CHECK-LABEL: @cmp_x_and_negp2_with_ne_or_z( ; CHECK-NEXT: [[R:%.*]] = icmp sge <2 x i8> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[R]] ; %andx = and <2 x i8> %x, %r = icmp ne <2 x i8> %andx, ret <2 x i1> %r } define <2 x i1> @cmp_x_and_negp2_with_ne_fail_not_p2(<2 x i8> %x) { ; CHECK-LABEL: @cmp_x_and_negp2_with_ne_fail_not_p2( ; CHECK-NEXT: [[ANDX:%.*]] = and <2 x i8> [[X:%.*]], ; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[ANDX]], splat (i8 -128) ; CHECK-NEXT: ret <2 x i1> [[R]] ; %andx = and <2 x i8> %x, %r = icmp ne <2 x i8> %andx, ret <2 x i1> %r }