Rebased PNaCl localmods in LLVM to 223109

test/NaCl/PNaClABI/types.ll

Index: test/NaCl/PNaClABI/types.ll
diff --git a/test/NaCl/PNaClABI/types.ll b/test/NaCl/PNaClABI/types.ll
new file mode 100644
index 0000000000000000000000000000000000000000..d5ca57739d922a70d836840fb7b5468365207971
--- /dev/null
+++ b/test/NaCl/PNaClABI/types.ll
@@ -0,0 +1,206 @@
+; RUN: not pnacl-abicheck < %s | FileCheck %s
+; Test types allowed by PNaCl ABI
+
+
+; CHECK: Function badReturn has disallowed type: half* ()
+define internal half* @badReturn() {
+  unreachable
+}
+
+; CHECK: Function badArgType1 has disallowed type: void (half, i32)
+define internal void @badArgType1(half %a, i32 %b) {
+  ret void
+}
+; CHECK: Function badArgType2 has disallowed type: void (i32, half)
+define internal void @badArgType2(i32 %a, half %b) {
+  ret void
+}
+
+
+define internal void @func() {
+entry:
+  br label %block
+block:
+
+  ; We test for allowed/disallowed types via phi nodes.  This gives us
+  ; a uniform way to test any type.
+
+  ; Allowed types
+
+  ; Scalars.
+  phi i1 [ undef, %entry ]
+  phi i8 [ undef, %entry ]
+  phi i16 [ undef, %entry ]
+  phi i32 [ undef, %entry ]
+  phi i64 [ undef, %entry ]
+  phi float [ undef, %entry ]
+  phi double [ undef, %entry ]
+  ; Vectors.
+  phi <4 x i1> [ undef, %entry ]
+  phi <8 x i1> [ undef, %entry ]
+  phi <16 x i1> [ undef, %entry ]
+  phi <16 x i8> [ undef, %entry ]
+  phi <8 x i16> [ undef, %entry ]
+  phi <4 x i32> [ undef, %entry ]
+  phi <4 x float> [ undef, %entry ]
+; CHECK-NOT: disallowed
+
+
+  ; Disallowed integer types
+
+  phi i4 [ undef, %entry ]
+; CHECK: Function func disallowed: bad operand: {{.*}} i4
+
+  phi i33 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} i33
+
+  phi i128 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} i128
+
+
+  ; Disallowed floating point types
+
+  phi half [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} half
+
+  phi x86_fp80 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} x86_fp80
+
+  phi fp128 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} fp128
+
+  phi ppc_fp128 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} ppc_fp128
+
+  phi x86_mmx [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} x86_mmx
+
+
+  ; Derived types are disallowed too
+
+  phi i32* [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} i32*
+
+  phi [1 x i32] [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} [1 x i32]
+
+  phi { i32, float } [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} { i32, float }
+
+  phi void (i32)* [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} void (i32)*
+
+  phi <{ i8, i32 }> [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <{ i8, i32 }>
+
+  ; Vector types of weird bit width are disallowed
+  phi <1 x i1> [ undef, %entry ]
+  phi <3 x i1> [ undef, %entry ]
+  phi <17 x i1> [ undef, %entry ]
+  phi <1 x i32> [ undef, %entry ]
+  phi <2 x i32> [ undef, %entry ]
+  phi <3 x i32> [ undef, %entry ]
+  phi <5 x i32> [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <1 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <3 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <17 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <1 x i32>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <2 x i32>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <3 x i32>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <5 x i32>
+
+  ; i64 and double vectors are currently disallowed, and so are the
+  ; corresponding bool vectors.
+  phi <2 x i1> [ undef, %entry ]
+  phi <2 x i64> [ undef, %entry ]
+  phi <2 x double> [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <2 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <2 x i64>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <2 x double>
+
+  ; 256-bit width vectors are currently disallowed, and so are the
+  ; corresponding bool vectors.
+  phi <32 x i1> [ undef, %entry ]
+  phi <32 x i8> [ undef, %entry ]
+  phi <16 x i16> [ undef, %entry ]
+  phi <8 x i32> [ undef, %entry ]
+  phi <4 x i64> [ undef, %entry ]
+  phi <8 x float> [ undef, %entry ]
+  phi <4 x double> [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <32 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <32 x i8>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <16 x i16>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <8 x i32>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <4 x i64>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <8 x float>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <4 x double>
+
+  ; 512-bit width vectors are currently disallowed, and so are the
+  ; corresponding bool vectors.
+  phi <64 x i1> [ undef, %entry ]
+  phi <64 x i8> [ undef, %entry ]
+  phi <32 x i16> [ undef, %entry ]
+  phi <16 x i32> [ undef, %entry ]
+  phi <8 x i64> [ undef, %entry ]
+  phi <16 x float> [ undef, %entry ]
+  phi <8 x double> [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <64 x i1>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <64 x i8>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <32 x i16>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <16 x i32>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <8 x i64>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <16 x float>
+; CHECK-NEXT: disallowed: bad operand: {{.*}} <8 x double>
+
+  ret void
+}
+
+
+; Named types. With the current implementation, named types are legal
+; until they are actually attempted to be used. Might want to fix that.
+%struct.s1 = type { half, float}
+%struct.s2 = type { i32, i32}
+
+define internal void @func2() {
+entry:
+  br label %block
+block:
+
+  phi %struct.s1 [ undef, %entry ]
+; CHECK: disallowed: bad operand: {{.*}} %struct.s1
+
+  phi %struct.s2 [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} %struct.s2
+
+  ret void
+}
+
+
+; Circularities:  here to make sure the verifier doesn't crash or assert.
+
+; This oddity is perfectly legal according to the IR and ABI verifiers.
+; Might want to fix that. (good luck initializing one of these, though.)
+%struct.snake = type { i32, %struct.tail }
+%struct.tail = type { %struct.snake, i32 }
+
+%struct.linked = type { i32, %struct.linked * }
+
+define internal void @func3() {
+entry:
+  br label %block
+block:
+
+  phi %struct.snake [ undef, %entry ]
+; CHECK: disallowed: bad operand: {{.*}} %struct.snake
+
+  phi %struct.linked [ undef, %entry ]
+; CHECK-NEXT: disallowed: bad operand: {{.*}} %struct.linked
+
+  ret void
+}
+
+
+; This stops the verifier from complaining about the lack of an entry point.
+define void @_start(i32 %arg) {
+  ret void
+}