Subzero: Partial implementation of global initializers.

tests_lit/llvm2ice_tests/globalinit.pnacl.ll

+; Test of global initializers.
+
+; RUN: %llvm2ice --verbose inst %s | FileCheck %s
+; RUN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
+; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s
+
+@PrimitiveInit = internal global [4 x i8] c"\1B\00\00\00", align 4
+; CHECK: .data
+; CHECK-NEXT: .align 4
+; CHECK-NEXT: PrimitiveInit:
+; CHECK-NEXT: .byte
+; CHECK: .size PrimitiveInit, 4
+
+@PrimitiveInitConst = internal constant [4 x i8] c"\0D\00\00\00", align 4
+; CHECK: .section .rodata,"a",@progbits
+; CHECK-NEXT: .align 4
+; CHECK-NEXT: PrimitiveInitConst:
+; CHECK-NEXT: .byte
+; CHECK: .size PrimitiveInitConst, 4
+
+@ArrayInit = internal global [20 x i8] c"\0A\00\00\00\14\00\00\00\1E\00\00\00(\00\00\002\00\00\00", align 4
+; CHECK: .data
+; CHECK-NEXT: .align 4
+; CHECK-NEXT: ArrayInit:
+; CHECK-NEXT: .byte
+; CHECK: .size ArrayInit, 20
+
+@ArrayInitPartial = internal global [40 x i8] c"<\00\00\00F\00\00\00P\00\00\00Z\00\00\00d\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 4
+; CHECK: .data
+; CHECK-NEXT: .align 4
+; CHECK-NEXT: ArrayInitPartial:
+; CHECK-NEXT: .byte
+; CHECK: .size ArrayInitPartial, 40
+
+@PrimitiveInitStatic = internal global [4 x i8] zeroinitializer, align 4
+; CHECK: .data
+; CHECK-NEXT: .comm PrimitiveInitStatic, 4, 4
+; CHECK-NEXT: .local PrimitiveInitStatic
+
+@PrimitiveUninit = internal global [4 x i8] zeroinitializer, align 4
+; CHECK: .data
+; CHECK-NEXT: .comm PrimitiveUninit, 4, 4
+; CHECK-NEXT: .local PrimitiveUninit
+
+@ArrayUninit = internal global [20 x i8] zeroinitializer, align 4
+; CHECK: .data
+; CHECK-NEXT: .comm ArrayUninit, 20, 4
+; CHECK-NEXT: .local ArrayUninit
+
+@ArrayUninitConstDouble = internal constant [200 x i8] zeroinitializer, align 8
+; CHECK: .section .rodata,"a",@progbits
+; CHECK-NEXT: .align 8
+; CHECK-NEXT: ArrayUninitConstDouble:
+; CHECK-NEXT: .zero 200
+; CHECK-NEXT: .size ArrayUninitConstDouble, 200
+
+@ArrayUninitConstInt = internal constant [20 x i8] zeroinitializer, align 4
+; CHECK: .section .rodata,"a",@progbits
+; CHECK-NEXT: .align 4
+; CHECK-NEXT: ArrayUninitConstInt:
+; CHECK-NEXT: .zero 20
+; CHECK-NEXT: .size ArrayUninitConstInt, 20
+
+@__init_array_start = internal constant [0 x i8] zeroinitializer, align 4
+@__fini_array_start = internal constant [0 x i8] zeroinitializer, align 4
+@__tls_template_start = internal constant [0 x i8] zeroinitializer, align 8
+@__tls_template_alignment = internal constant [4 x i8] c"\01\00\00\00", align 4
+
+define internal i32 @main(i32 %argc, i32 %argv) {
+entry:
+  %expanded1 = ptrtoint [4 x i8]* @PrimitiveInit to i32
+  call void @use(i32 %expanded1)
+  %expanded3 = ptrtoint [4 x i8]* @PrimitiveInitConst to i32
+  call void @use(i32 %expanded3)
+  %expanded5 = ptrtoint [4 x i8]* @PrimitiveInitStatic to i32
+  call void @use(i32 %expanded5)
+  %expanded7 = ptrtoint [4 x i8]* @PrimitiveUninit to i32
+  call void @use(i32 %expanded7)
+  %expanded9 = ptrtoint [20 x i8]* @ArrayInit to i32
+  call void @use(i32 %expanded9)
+  %expanded11 = ptrtoint [40 x i8]* @ArrayInitPartial to i32
+  call void @use(i32 %expanded11)
+  %expanded13 = ptrtoint [20 x i8]* @ArrayUninit to i32
+  call void @use(i32 %expanded13)
+  ret i32 0
+}
+; CHECK: entry:
+
+declare void @use(i32)
+
+define internal i32 @nacl_tp_tdb_offset(i32 %__0) {
+entry:
+  ret i32 0
+}
+
+define internal i32 @nacl_tp_tls_offset(i32 %size) {
+entry:
+  %result = sub i32 0, %size
+  ret i32 %result
+}
+
+; ERRORS-NOT: ICE translation error
+; DUMP-NOT: SZ