151 lines
5.5 KiB
LLVM
151 lines
5.5 KiB
LLVM
; RUN: not opt -S %s -verify 2>&1 | FileCheck %s
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declare token @llvm.call.preallocated.setup(i32)
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declare i8* @llvm.call.preallocated.arg(token, i32)
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declare void @llvm.call.preallocated.teardown(token)
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; Fake LLVM intrinsic to return a token
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declare token @llvm.what()
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declare void @foo0()
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declare void @foo1(i32* preallocated(i32))
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declare void @foo2(i32* preallocated(i32), i32*, i32* preallocated(i32))
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declare i32 @blackbox()
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; CHECK: llvm.call.preallocated.arg must be called with a "preallocated" call site attribute
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define void @preallocated_arg_missing_preallocated_attribute() {
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%cs = call token @llvm.call.preallocated.setup(i32 1)
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%x = call i8* @llvm.call.preallocated.arg(token %cs, i32 0)
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%y = bitcast i8* %x to i32*
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call void @foo1(i32* preallocated(i32) %y) ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: preallocated as a call site attribute can only be on llvm.call.preallocated.arg
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define void @preallocated_call_site_attribute_not_on_arg() {
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call void @foo0() preallocated(i32)
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ret void
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}
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; CHECK: "preallocated" argument must be a token from llvm.call.preallocated.setup
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define void @preallocated_bundle_token() {
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%i = call i32 @blackbox()
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call void @foo0() ["preallocated"(i32 %i)]
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ret void
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}
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; CHECK: "preallocated" argument must be a token from llvm.call.preallocated.setup
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define void @preallocated_bundle_token_from_setup() {
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%cs = call token @llvm.what()
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call void @foo0() ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: Expected exactly one preallocated bundle operand
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define void @preallocated_bundle_one_token() {
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%cs0 = call token @llvm.call.preallocated.setup(i32 0)
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%cs1 = call token @llvm.call.preallocated.setup(i32 0)
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call void @foo0() ["preallocated"(token %cs0, token %cs1)]
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ret void
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}
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; CHECK: Multiple preallocated operand bundles
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define void @preallocated_multiple_bundles() {
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%cs0 = call token @llvm.call.preallocated.setup(i32 0)
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%cs1 = call token @llvm.call.preallocated.setup(i32 0)
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call void @foo0() ["preallocated"(token %cs0), "preallocated"(token %cs1)]
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ret void
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}
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; CHECK: Can have at most one call
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define void @preallocated_one_call() {
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%cs = call token @llvm.call.preallocated.setup(i32 1)
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%x = call i8* @llvm.call.preallocated.arg(token %cs, i32 0) preallocated(i32)
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%y = bitcast i8* %x to i32*
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call void @foo1(i32* preallocated(i32) %y) ["preallocated"(token %cs)]
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call void @foo1(i32* preallocated(i32) %y) ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: must be a constant
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define void @preallocated_setup_constant() {
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%ac = call i32 @blackbox()
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%cs = call token @llvm.call.preallocated.setup(i32 %ac)
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ret void
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}
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; CHECK: must be between 0 and corresponding
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define void @preallocated_setup_arg_index_in_bounds() {
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%cs = call token @llvm.call.preallocated.setup(i32 2)
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%a0 = call i8* @llvm.call.preallocated.arg(token %cs, i32 2) preallocated(i32)
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ret void
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}
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; CHECK: Attribute 'preallocated' type does not match parameter
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define void @preallocated_attribute_type_mismatch() {
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%cs = call token @llvm.call.preallocated.setup(i32 1)
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%x = call i8* @llvm.call.preallocated.arg(token %cs, i32 0) preallocated(i32)
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%y = bitcast i8* %x to i32*
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call void @foo1(i32* preallocated(i8) %y) ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: preallocated operand either requires a preallocated bundle or the call to be musttail
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define void @preallocated_require_bundle() {
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%cs = call token @llvm.call.preallocated.setup(i32 1)
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%x = call i8* @llvm.call.preallocated.arg(token %cs, i32 0) preallocated(i32)
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%y = bitcast i8* %x to i32*
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call void @foo1(i32* preallocated(i32) %y)
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ret void
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}
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; CHECK: arg size must be equal to number of preallocated arguments
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define void @preallocated_num_args() {
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%cs = call token @llvm.call.preallocated.setup(i32 3)
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%x = call i8* @llvm.call.preallocated.arg(token %cs, i32 0) preallocated(i32)
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%x1 = bitcast i8* %x to i32*
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%y = call i8* @llvm.call.preallocated.arg(token %cs, i32 1) preallocated(i32)
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%y1 = bitcast i8* %y to i32*
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%a = inttoptr i32 0 to i32*
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call void @foo2(i32* preallocated(i32) %x1, i32* %a, i32* preallocated(i32) %y1) ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: token argument must be a llvm.call.preallocated.setup
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define void @preallocated_arg_token() {
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%t = call token @llvm.what()
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%x = call i8* @llvm.call.preallocated.arg(token %t, i32 1) preallocated(i32)
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ret void
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}
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; CHECK: cannot use preallocated intrinsics on a call without preallocated arguments
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define void @preallocated_no_preallocated_args() {
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%cs = call token @llvm.call.preallocated.setup(i32 0)
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call void @foo0() ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: preallocated operand either requires a preallocated bundle or the call to be musttail
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define void @musttail_and_bundle(i32* preallocated(i32) %a) {
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%cs = call token @llvm.call.preallocated.setup(i32 0)
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musttail call void @musttail_and_bundle(i32* preallocated(i32) %a) ["preallocated"(token %cs)]
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ret void
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}
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; CHECK: cannot guarantee tail call due to mismatched ABI impacting function attributes
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define void @musttail_attr_no_match(i32* preallocated(i32) %a) {
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musttail call void @musttail_and_bundle(i32* %a)
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ret void
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}
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; CHECK: token argument must be a llvm.call.preallocated.setup
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define void @teardown_token_not_from_setup() {
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%cs = call token @llvm.what()
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call void @llvm.call.preallocated.teardown(token %cs)
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ret void
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}
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; CHECK: Wrong types for attribute:
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; CHECK-NEXT: void (i32)* @not_pointer
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declare void @not_pointer(i32 preallocated(i32))
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