diff options
Diffstat (limited to 'llvm/test')
-rw-r--r-- | llvm/test/CodeGen/X86/implicit-null-check-negative.ll | 20 | ||||
-rw-r--r-- | llvm/test/CodeGen/X86/implicit-null-check.ll | 8 |
2 files changed, 23 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/X86/implicit-null-check-negative.ll b/llvm/test/CodeGen/X86/implicit-null-check-negative.ll index 02c3d6e57d1..8fbed9f7bee 100644 --- a/llvm/test/CodeGen/X86/implicit-null-check-negative.ll +++ b/llvm/test/CodeGen/X86/implicit-null-check-negative.ll @@ -10,7 +10,7 @@ define i32 @imp_null_check_load(i32* %x, i32* %y) { %c = icmp eq i32* %x, null ; It isn't legal to move the load from %x from "not_null" to here -- ; the store to %y could be aliasing it. - br i1 %c, label %is_null, label %not_null + br i1 %c, label %is_null, label %not_null, !make.implicit !0 is_null: ret i32 42 @@ -24,7 +24,7 @@ define i32 @imp_null_check_load(i32* %x, i32* %y) { define i32 @imp_null_check_gep_load(i32* %x) { entry: %c = icmp eq i32* %x, null - br i1 %c, label %is_null, label %not_null + br i1 %c, label %is_null, label %not_null, !make.implicit !0 is_null: ret i32 42 @@ -36,3 +36,19 @@ define i32 @imp_null_check_gep_load(i32* %x) { %t = load i32, i32* %x.gep ret i32 %t } + +define i32 @imp_null_check_load_no_md(i32* %x) { +; This is fine, except it is missing the !make.implicit metadata. + entry: + %c = icmp eq i32* %x, null + br i1 %c, label %is_null, label %not_null + + is_null: + ret i32 42 + + not_null: + %t = load i32, i32* %x + ret i32 %t +} + +!0 = !{} diff --git a/llvm/test/CodeGen/X86/implicit-null-check.ll b/llvm/test/CodeGen/X86/implicit-null-check.ll index defd48a781a..1d1b36bbd5d 100644 --- a/llvm/test/CodeGen/X86/implicit-null-check.ll +++ b/llvm/test/CodeGen/X86/implicit-null-check.ll @@ -21,7 +21,7 @@ define i32 @imp_null_check_load(i32* %x) { entry: %c = icmp eq i32* %x, null - br i1 %c, label %is_null, label %not_null + br i1 %c, label %is_null, label %not_null, !make.implicit !0 is_null: ret i32 42 @@ -42,7 +42,7 @@ define i32 @imp_null_check_gep_load(i32* %x) { entry: %c = icmp eq i32* %x, null - br i1 %c, label %is_null, label %not_null + br i1 %c, label %is_null, label %not_null, !make.implicit !0 is_null: ret i32 42 @@ -65,7 +65,7 @@ define i32 @imp_null_check_add_result(i32* %x, i32 %p) { entry: %c = icmp eq i32* %x, null - br i1 %c, label %is_null, label %not_null + br i1 %c, label %is_null, label %not_null, !make.implicit !0 is_null: ret i32 42 @@ -76,6 +76,8 @@ define i32 @imp_null_check_add_result(i32* %x, i32 %p) { ret i32 %p1 } +!0 = !{} + ; CHECK-LABEL: __LLVM_FaultMaps: ; Version: |