; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -S -instsimplify | FileCheck %s declare i32 @llvm.bitreverse.i32(i32) declare <2 x i32> @llvm.bitreverse.v2i32(<2 x i32>) define i1 @test1(i32 %arg) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: ret i1 false ; %a = or i32 %arg, 1 %b = call i32 @llvm.bitreverse.i32(i32 %a) %res = icmp eq i32 %b, 0 ret i1 %res } define i1 @test1v(<2 x i32> %arg) { ; CHECK-LABEL: @test1v( ; CHECK-NEXT: ret i1 false ; %a = or <2 x i32> %arg, %b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a) %c = extractelement <2 x i32> %b, i32 0 %res = icmp eq i32 %c, 0 ret i1 %res } define i1 @test2(i32 %arg) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: ret i1 false ; %a = or i32 %arg, 1024 %b = call i32 @llvm.bitreverse.i32(i32 %a) %res = icmp eq i32 %b, 0 ret i1 %res } define i1 @test2v(<2 x i32> %arg) { ; CHECK-LABEL: @test2v( ; CHECK-NEXT: ret i1 false ; %a = or <2 x i32> %arg, %b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a) %c = extractelement <2 x i32> %b, i32 1 %res = icmp eq i32 %c, 0 ret i1 %res } define i1 @test3(i32 %arg) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: ret i1 false ; %a = and i32 %arg, 1 %b = call i32 @llvm.bitreverse.i32(i32 %a) %and = and i32 %b, 1 %res = icmp eq i32 %and, 1 ret i1 %res } define i1 @test3v(<2 x i32> %arg) { ; CHECK-LABEL: @test3v( ; CHECK-NEXT: ret i1 false ; %a = and <2 x i32> %arg, %b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a) %and = and <2 x i32> %b, %ext = extractelement <2 x i32> %and, i32 0 %res = icmp eq i32 %ext, 1 ret i1 %res }