; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" define i1 @test1(i32 %X) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: [[C:%.*]] = icmp ne i32 %X, 12 ; CHECK-NEXT: ret i1 [[C]] ; %A = bitcast i32 %X to i32 ; Convert to setne int %X, 12 %c = icmp ne i32 %A, 12 ret i1 %c } define i1 @test2(i32 %X, i32 %Y) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: [[C:%.*]] = icmp ne i32 %X, %Y ; CHECK-NEXT: ret i1 [[C]] ; %A = bitcast i32 %X to i32 %B = bitcast i32 %Y to i32 ; Convert to setne int %X, %Y %c = icmp ne i32 %A, %B ret i1 %c } define i32 @test4(i32 %A) { ; CHECK-LABEL: @test4( ; CHECK-NEXT: [[C:%.*]] = shl i32 %A, 2 ; CHECK-NEXT: ret i32 [[C]] ; %B = bitcast i32 %A to i32 %C = shl i32 %B, 2 %D = bitcast i32 %C to i32 ret i32 %D } define i16 @test5(i16 %A) { ; CHECK-LABEL: @test5( ; CHECK-NEXT: [[C:%.*]] = and i16 %A, 15 ; CHECK-NEXT: ret i16 [[C]] ; %B = sext i16 %A to i32 %C = and i32 %B, 15 %D = trunc i32 %C to i16 ret i16 %D } define i1 @test6(i1 %A) { ; CHECK-LABEL: @test6( ; CHECK-NEXT: ret i1 %A ; %B = zext i1 %A to i32 %C = icmp ne i32 %B, 0 ret i1 %C } define i1 @test6a(i1 %A) { ; CHECK-LABEL: @test6a( ; CHECK-NEXT: ret i1 true ; %B = zext i1 %A to i32 %C = icmp ne i32 %B, -1 ret i1 %C } define i1 @test7(i8* %A) { ; CHECK-LABEL: @test7( ; CHECK-NEXT: [[C:%.*]] = icmp eq i8* %A, null ; CHECK-NEXT: ret i1 [[C]] ; %B = bitcast i8* %A to i32* %C = icmp eq i32* %B, null ret i1 %C }