; NOTE: Assertions have been autogenerated by update_test_checks.py ; RUN: opt -instsimplify -S < %s | FileCheck %s define i64 @test0() { ; CHECK-LABEL: @test0( ; CHECK: ret i64 undef ; %r = mul i64 undef, undef ret i64 %r } define i64 @test1() { ; CHECK-LABEL: @test1( ; CHECK: ret i64 undef ; %r = mul i64 3, undef ret i64 %r } define i64 @test2() { ; CHECK-LABEL: @test2( ; CHECK: ret i64 undef ; %r = mul i64 undef, 3 ret i64 %r } define i64 @test3() { ; CHECK-LABEL: @test3( ; CHECK: ret i64 0 ; %r = mul i64 undef, 6 ret i64 %r } define i64 @test4() { ; CHECK-LABEL: @test4( ; CHECK: ret i64 0 ; %r = mul i64 6, undef ret i64 %r } define i64 @test5() { ; CHECK-LABEL: @test5( ; CHECK: ret i64 undef ; %r = and i64 undef, undef ret i64 %r } define i64 @test6() { ; CHECK-LABEL: @test6( ; CHECK: ret i64 undef ; %r = or i64 undef, undef ret i64 %r } define i64 @test7() { ; CHECK-LABEL: @test7( ; CHECK: ret i64 undef ; %r = udiv i64 undef, 1 ret i64 %r } define i64 @test8() { ; CHECK-LABEL: @test8( ; CHECK: ret i64 undef ; %r = sdiv i64 undef, 1 ret i64 %r } define i64 @test9() { ; CHECK-LABEL: @test9( ; CHECK: ret i64 0 ; %r = urem i64 undef, 1 ret i64 %r } define i64 @test10() { ; CHECK-LABEL: @test10( ; CHECK: ret i64 0 ; %r = srem i64 undef, 1 ret i64 %r } define i64 @test11() { ; CHECK-LABEL: @test11( ; CHECK: ret i64 undef ; %r = shl i64 undef, undef ret i64 %r } define i64 @test11b(i64 %a) { ; CHECK-LABEL: @test11b( ; CHECK: ret i64 undef ; %r = shl i64 %a, undef ret i64 %r } define i64 @test12() { ; CHECK-LABEL: @test12( ; CHECK: ret i64 undef ; %r = ashr i64 undef, undef ret i64 %r } define i64 @test12b(i64 %a) { ; CHECK-LABEL: @test12b( ; CHECK: ret i64 undef ; %r = ashr i64 %a, undef ret i64 %r } define i64 @test13() { ; CHECK-LABEL: @test13( ; CHECK: ret i64 undef ; %r = lshr i64 undef, undef ret i64 %r } define i64 @test13b(i64 %a) { ; CHECK-LABEL: @test13b( ; CHECK: ret i64 undef ; %r = lshr i64 %a, undef ret i64 %r } define i1 @test14() { ; CHECK-LABEL: @test14( ; CHECK: ret i1 undef ; %r = icmp slt i64 undef, undef ret i1 %r } define i1 @test15() { ; CHECK-LABEL: @test15( ; CHECK: ret i1 undef ; %r = icmp ult i64 undef, undef ret i1 %r } define i64 @test16(i64 %a) { ; CHECK-LABEL: @test16( ; CHECK: ret i64 undef ; %r = select i1 undef, i64 %a, i64 undef ret i64 %r } define i64 @test17(i64 %a) { ; CHECK-LABEL: @test17( ; CHECK: ret i64 undef ; %r = select i1 undef, i64 undef, i64 %a ret i64 %r } define i64 @test18(i64 %a) { ; CHECK-LABEL: @test18( ; CHECK: [[R:%.*]] = call i64 undef(i64 %a) ; CHECK-NEXT: ret i64 undef ; %r = call i64 (i64) undef(i64 %a) ret i64 %r } define <4 x i8> @test19(<4 x i8> %a) { ; CHECK-LABEL: @test19( ; CHECK: ret <4 x i8> undef ; %b = shl <4 x i8> %a, <i8 8, i8 9, i8 undef, i8 -1> ret <4 x i8> %b } define i32 @test20(i32 %a) { ; CHECK-LABEL: @test20( ; CHECK: ret i32 undef ; %b = udiv i32 %a, 0 ret i32 %b } define i32 @test21(i32 %a) { ; CHECK-LABEL: @test21( ; CHECK: ret i32 undef ; %b = sdiv i32 %a, 0 ret i32 %b } define i32 @test22(i32 %a) { ; CHECK-LABEL: @test22( ; CHECK: ret i32 undef ; %b = ashr exact i32 undef, %a ret i32 %b } define i32 @test23(i32 %a) { ; CHECK-LABEL: @test23( ; CHECK: ret i32 undef ; %b = lshr exact i32 undef, %a ret i32 %b } define i32 @test24() { ; CHECK-LABEL: @test24( ; CHECK: ret i32 undef ; %b = udiv i32 undef, 0 ret i32 %b } define i32 @test25() { ; CHECK-LABEL: @test25( ; CHECK: ret i32 undef ; %b = lshr i32 0, undef ret i32 %b } define i32 @test26() { ; CHECK-LABEL: @test26( ; CHECK: ret i32 undef ; %b = ashr i32 0, undef ret i32 %b } define i32 @test27() { ; CHECK-LABEL: @test27( ; CHECK: ret i32 undef ; %b = shl i32 0, undef ret i32 %b } define i32 @test28(i32 %a) { ; CHECK-LABEL: @test28( ; CHECK: ret i32 undef ; %b = shl nsw i32 undef, %a ret i32 %b } define i32 @test29(i32 %a) { ; CHECK-LABEL: @test29( ; CHECK: ret i32 undef ; %b = shl nuw i32 undef, %a ret i32 %b } define i32 @test30(i32 %a) { ; CHECK-LABEL: @test30( ; CHECK: ret i32 undef ; %b = shl nsw nuw i32 undef, %a ret i32 %b } define i32 @test31(i32 %a) { ; CHECK-LABEL: @test31( ; CHECK: ret i32 0 ; %b = shl i32 undef, %a ret i32 %b } define i32 @test32(i32 %a) { ; CHECK-LABEL: @test32( ; CHECK: ret i32 undef ; %b = shl i32 undef, 0 ret i32 %b } define i32 @test33(i32 %a) { ; CHECK-LABEL: @test33( ; CHECK: ret i32 undef ; %b = ashr i32 undef, 0 ret i32 %b } define i32 @test34(i32 %a) { ; CHECK-LABEL: @test34( ; CHECK: ret i32 undef ; %b = lshr i32 undef, 0 ret i32 %b } define i32 @test35(<4 x i32> %V) { ; CHECK-LABEL: @test35( ; CHECK: ret i32 undef ; %b = extractelement <4 x i32> %V, i32 4 ret i32 %b } define i32 @test36(i32 %V) { ; CHECK-LABEL: @test36( ; CHECK: ret i32 undef ; %b = extractelement <4 x i32> undef, i32 %V ret i32 %b } define i32 @test37() { ; CHECK-LABEL: @test37( ; CHECK: ret i32 undef ; %b = udiv i32 undef, undef ret i32 %b } define i32 @test38(i32 %a) { ; CHECK-LABEL: @test38( ; CHECK: ret i32 undef ; %b = udiv i32 %a, undef ret i32 %b } define i32 @test39() { ; CHECK-LABEL: @test39( ; CHECK: ret i32 undef ; %b = udiv i32 0, undef ret i32 %b }