| ; RUN: opt -instsimplify -S < %s | FileCheck %s |
| |
| ; @test0 |
| ; CHECK: ret i64 undef |
| define i64 @test0() { |
| %r = mul i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test1 |
| ; CHECK: ret i64 undef |
| define i64 @test1() { |
| %r = mul i64 3, undef |
| ret i64 %r |
| } |
| |
| ; @test2 |
| ; CHECK: ret i64 undef |
| define i64 @test2() { |
| %r = mul i64 undef, 3 |
| ret i64 %r |
| } |
| |
| ; @test3 |
| ; CHECK: ret i64 0 |
| define i64 @test3() { |
| %r = mul i64 undef, 6 |
| ret i64 %r |
| } |
| |
| ; @test4 |
| ; CHECK: ret i64 0 |
| define i64 @test4() { |
| %r = mul i64 6, undef |
| ret i64 %r |
| } |
| |
| ; @test5 |
| ; CHECK: ret i64 undef |
| define i64 @test5() { |
| %r = and i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test6 |
| ; CHECK: ret i64 undef |
| define i64 @test6() { |
| %r = or i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test7 |
| ; CHECK: ret i64 undef |
| define i64 @test7() { |
| %r = udiv i64 undef, 1 |
| ret i64 %r |
| } |
| |
| ; @test8 |
| ; CHECK: ret i64 undef |
| define i64 @test8() { |
| %r = sdiv i64 undef, 1 |
| ret i64 %r |
| } |
| |
| ; @test9 |
| ; CHECK: ret i64 0 |
| define i64 @test9() { |
| %r = urem i64 undef, 1 |
| ret i64 %r |
| } |
| |
| ; @test10 |
| ; CHECK: ret i64 0 |
| define i64 @test10() { |
| %r = srem i64 undef, 1 |
| ret i64 %r |
| } |
| |
| ; @test11 |
| ; CHECK: ret i64 undef |
| define i64 @test11() { |
| %r = shl i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test11b |
| ; CHECK: ret i64 undef |
| define i64 @test11b(i64 %a) { |
| %r = shl i64 %a, undef |
| ret i64 %r |
| } |
| |
| ; @test12 |
| ; CHECK: ret i64 undef |
| define i64 @test12() { |
| %r = ashr i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test12b |
| ; CHECK: ret i64 undef |
| define i64 @test12b(i64 %a) { |
| %r = ashr i64 %a, undef |
| ret i64 %r |
| } |
| |
| ; @test13 |
| ; CHECK: ret i64 undef |
| define i64 @test13() { |
| %r = lshr i64 undef, undef |
| ret i64 %r |
| } |
| |
| ; @test13b |
| ; CHECK: ret i64 undef |
| define i64 @test13b(i64 %a) { |
| %r = lshr i64 %a, undef |
| ret i64 %r |
| } |
| |
| ; @test14 |
| ; CHECK: ret i1 undef |
| define i1 @test14() { |
| %r = icmp slt i64 undef, undef |
| ret i1 %r |
| } |
| |
| ; @test15 |
| ; CHECK: ret i1 undef |
| define i1 @test15() { |
| %r = icmp ult i64 undef, undef |
| ret i1 %r |
| } |
| |
| ; @test16 |
| ; CHECK: ret i64 undef |
| define i64 @test16(i64 %a) { |
| %r = select i1 undef, i64 %a, i64 undef |
| ret i64 %r |
| } |
| |
| ; @test17 |
| ; CHECK: ret i64 undef |
| define i64 @test17(i64 %a) { |
| %r = select i1 undef, i64 undef, i64 %a |
| ret i64 %r |
| } |
| |
| ; @test18 |
| ; CHECK: ret i64 undef |
| define i64 @test18(i64 %a) { |
| %r = call i64 (i64)* undef(i64 %a) |
| ret i64 %r |
| } |