llvm-project/llvm/test/CodeGen/SPIRV/function/trivial-function-definition.ll

28 lines
855 B
LLVM

; RUN: llc -O0 %s -o - | FileCheck %s
target triple = "spirv32-unknown-unknown"
; Debug info:
; CHECK: OpName [[FOO:%.+]] "foo"
; Types:
; CHECK: [[VOID:%.+]] = OpTypeVoid
; CHECK: [[FN:%.+]] = OpTypeFunction [[VOID]]
; Functions:
; CHECK: [[FOO]] = OpFunction [[VOID]] None [[FN]]
; CHECK-NOT: OpFunctionParameter
; NOTE: In 2.4, it isn't explicitly written that a function always has a least
; one block. In fact, 2.4.11 seems to imply that there are at least two
; blocks in functions with a body, but that doesn't make much sense.
; However, in order to distinguish between function declaration and
; definition, a function needs at least one block, hence why this test
; expects one OpLabel + OpReturn.
; CHECK: OpLabel
; CHECK: OpReturn
; CHECK-NOT: OpLabel
; CHECK: OpFunctionEnd
define void @foo() {
ret void
}