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