Files
clang-p2996/llvm/test/Transforms/InstCombine/call.ll
Nikita Popov 32a4566fbb [InstCombine] Convert tests to opaque pointers (NFC)
The two debuginfo tests go away because the relevant transforms
no longer occur in this form, e.g. the "cast of alloca" transform
just doesn't exist with opaque pointers.
2023-04-05 15:25:53 +02:00

374 lines
9.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "E-p:64:64:64-p1:16:16:16-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
; Simple case, argument translatable without changing the value
declare void @test1a(ptr)
define void @test1(ptr %A) {
; CHECK-LABEL: define void @test1
; CHECK-SAME: (ptr [[A:%.*]]) {
; CHECK-NEXT: call void @test1a(ptr [[A]])
; CHECK-NEXT: ret void
;
call void @test1a( ptr %A )
ret void
}
; Should not do because of change in address space of the parameter
define void @test1_as1_illegal(ptr addrspace(1) %A) {
; CHECK-LABEL: define void @test1_as1_illegal
; CHECK-SAME: (ptr addrspace(1) [[A:%.*]]) {
; CHECK-NEXT: call void @test1a(ptr addrspace(1) [[A]])
; CHECK-NEXT: ret void
;
call void @test1a(ptr addrspace(1) %A)
ret void
}
; Test1, but the argument has a different sized address-space
declare void @test1a_as1(ptr addrspace(1))
; This one is OK to perform
define void @test1_as1(ptr addrspace(1) %A) {
; CHECK-LABEL: define void @test1_as1
; CHECK-SAME: (ptr addrspace(1) [[A:%.*]]) {
; CHECK-NEXT: call void @test1a_as1(ptr addrspace(1) [[A]])
; CHECK-NEXT: ret void
;
call void @test1a_as1(ptr addrspace(1) %A )
ret void
}
; More complex case, translate argument because of resolution. This is safe
; because we have the body of the function
define void @test2a(i8 %A) {
; CHECK-LABEL: define void @test2a
; CHECK-SAME: (i8 [[A:%.*]]) {
; CHECK-NEXT: ret void
;
ret void
}
define i32 @test2(i32 %A) {
; CHECK-LABEL: define i32 @test2
; CHECK-SAME: (i32 [[A:%.*]]) {
; CHECK-NEXT: call void @test2a(i32 [[A]])
; CHECK-NEXT: ret i32 [[A]]
;
call void @test2a( i32 %A )
ret i32 %A
}
; Resolving this should insert a cast from sbyte to int, following the C
; promotion rules.
define void @test3a(i8, ...) {unreachable }
; CHECK-LABEL: define void @test3a
; CHECK-SAME: (i8 [[TMP0:%.*]], ...) {
; CHECK-NEXT: unreachable
;
define void @test3(i8 %A, i8 %B) {
call void @test3a( i8 %A, i8 %B)
ret void
}
; test conversion of return value...
define i8 @test4a() {
; CHECK-LABEL: define i8 @test4a() {
; CHECK-NEXT: ret i8 0
;
ret i8 0
}
define i32 @test4() {
; CHECK-LABEL: define i32 @test4() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test4a()
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test4a( ) ; <i32> [#uses=1]
ret i32 %X
}
; test conversion of return value... no value conversion occurs so we can do
; this with just a prototype...
declare i32 @test5a()
define i32 @test5() {
; CHECK-LABEL: define i32 @test5() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test5a()
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test5a( ) ; <i32> [#uses=1]
ret i32 %X
}
; test addition of new arguments...
declare i32 @test6a(i32)
define i32 @test6() {
; CHECK-LABEL: define i32 @test6() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test6a(i32 0)
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test6a( )
ret i32 %X
}
; test removal of arguments, only can happen with a function body
define void @test7a() {
; CHECK-LABEL: define void @test7a() {
; CHECK-NEXT: ret void
;
ret void
}
define void @test7() {
; CHECK-LABEL: define void @test7() {
; CHECK-NEXT: call void @test7a()
; CHECK-NEXT: ret void
;
call void @test7a( i32 5 )
ret void
}
; rdar://7590304
declare void @test8a()
define ptr @test8() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: define ptr @test8() personality ptr @__gxx_personality_v0 {
; CHECK-NEXT: invoke void @test8a()
; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[TRY_HANDLER:%.*]]
; CHECK: invoke.cont:
; CHECK-NEXT: unreachable
; CHECK: try.handler:
; CHECK-NEXT: [[EXN:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: ret ptr null
;
; Don't turn this into "unreachable": the callee and caller don't agree in
; calling conv, but the implementation of test8a may actually end up using the
; right calling conv.
invoke void @test8a()
to label %invoke.cont unwind label %try.handler
invoke.cont: ; preds = %entry
unreachable
try.handler: ; preds = %entry
%exn = landingpad {ptr, i32}
cleanup
ret ptr null
}
declare i32 @__gxx_personality_v0(...)
; Don't turn this into a direct call, because test9x is just a prototype and
; doing so will make it varargs.
; rdar://9038601
declare ptr @test9x(ptr, ptr, ...) noredzone
define ptr @test9(ptr %arg, ptr %tmp3) nounwind ssp noredzone {
; CHECK-LABEL: define ptr @test9
; CHECK-SAME: (ptr [[ARG:%.*]], ptr [[TMP3:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call ptr @test9x(ptr [[ARG]], ptr [[TMP3]]) #[[ATTR2:[0-9]+]]
; CHECK-NEXT: ret ptr [[CALL]]
;
entry:
%call = call ptr @test9x(ptr %arg, ptr %tmp3) noredzone
ret ptr %call
}
; Parameter that's a vector of pointers
declare void @test10a(<2 x ptr>)
define void @test10(<2 x ptr> %A) {
; CHECK-LABEL: define void @test10
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test10a(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test10a(<2 x ptr> %A)
ret void
}
; Don't transform because different address spaces
declare void @test10a_mixed_as(<2 x ptr addrspace(1)>)
define void @test10_mixed_as(<2 x ptr> %A) {
; CHECK-LABEL: define void @test10_mixed_as
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test10a_mixed_as(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test10a_mixed_as(<2 x ptr> %A)
ret void
}
; Return type that's a pointer
define ptr @test11a() {
; CHECK-LABEL: define ptr @test11a() {
; CHECK-NEXT: ret ptr null
;
ret ptr zeroinitializer
}
define ptr @test11() {
; CHECK-LABEL: define ptr @test11() {
; CHECK-NEXT: [[X:%.*]] = call ptr @test11a()
; CHECK-NEXT: ret ptr [[X]]
;
%X = call ptr @test11a()
ret ptr %X
}
; Return type that's a pointer with a different address space
define ptr addrspace(1) @test11a_mixed_as() {
; CHECK-LABEL: define ptr addrspace(1) @test11a_mixed_as() {
; CHECK-NEXT: ret ptr addrspace(1) null
;
ret ptr addrspace(1) zeroinitializer
}
define ptr @test11_mixed_as() {
; CHECK-LABEL: define ptr @test11_mixed_as() {
; CHECK-NEXT: [[X:%.*]] = call ptr @test11a_mixed_as()
; CHECK-NEXT: ret ptr [[X]]
;
%X = call ptr ()* @test11a_mixed_as()
ret ptr %X
}
; Return type that's a vector of pointers
define <2 x ptr> @test12a() {
; CHECK-LABEL: define <2 x ptr> @test12a() {
; CHECK-NEXT: ret <2 x ptr> zeroinitializer
;
ret <2 x ptr> zeroinitializer
}
define <2 x ptr> @test12() {
; CHECK-LABEL: define <2 x ptr> @test12() {
; CHECK-NEXT: [[X:%.*]] = call <2 x ptr> @test12a()
; CHECK-NEXT: ret <2 x ptr> [[X]]
;
%X = call <2 x ptr> @test12a()
ret <2 x ptr> %X
}
define <2 x ptr addrspace(1)> @test12a_mixed_as() {
; CHECK-LABEL: define <2 x ptr addrspace(1)> @test12a_mixed_as() {
; CHECK-NEXT: ret <2 x ptr addrspace(1)> zeroinitializer
;
ret <2 x ptr addrspace(1)> zeroinitializer
}
define <2 x ptr> @test12_mixed_as() {
; CHECK-LABEL: define <2 x ptr> @test12_mixed_as() {
; CHECK-NEXT: [[X:%.*]] = call <2 x ptr> @test12a_mixed_as()
; CHECK-NEXT: ret <2 x ptr> [[X]]
;
%X = call <2 x ptr> @test12a_mixed_as()
ret <2 x ptr> %X
}
; Mix parameter that's a vector of integers and pointers of the same size
declare void @test13a(<2 x i64>)
define void @test13(<2 x ptr> %A) {
; CHECK-LABEL: define void @test13
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test13a(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test13a(<2 x ptr> %A)
ret void
}
; Mix parameter that's a vector of integers and pointers of the same
; size, but the other way around
declare void @test14a(<2 x ptr>)
define void @test14(<2 x i64> %A) {
; CHECK-LABEL: define void @test14
; CHECK-SAME: (<2 x i64> [[A:%.*]]) {
; CHECK-NEXT: call void @test14a(<2 x i64> [[A]])
; CHECK-NEXT: ret void
;
call void @test14a(<2 x i64> %A)
ret void
}
; Return type that's a vector
define <2 x i16> @test15a() {
; CHECK-LABEL: define <2 x i16> @test15a() {
; CHECK-NEXT: ret <2 x i16> zeroinitializer
;
ret <2 x i16> zeroinitializer
}
define i32 @test15() {
; CHECK-LABEL: define i32 @test15() {
; CHECK-NEXT: [[X:%.*]] = call <2 x i16> @test15a()
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i16> [[X]] to i32
; CHECK-NEXT: ret i32 [[TMP1]]
;
%X = call i32 @test15a( )
ret i32 %X
}
define i32 @test16a() {
; CHECK-LABEL: define i32 @test16a() {
; CHECK-NEXT: ret i32 0
;
ret i32 0
}
define <2 x i16> @test16() {
; CHECK-LABEL: define <2 x i16> @test16() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test16a()
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[X]] to <2 x i16>
; CHECK-NEXT: ret <2 x i16> [[TMP1]]
;
%X = call <2 x i16> @test16a( )
ret <2 x i16> %X
}
declare i32 @pr28655(i32 returned %V)
define i32 @test17() {
; CHECK-LABEL: define i32 @test17() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = call i32 @pr28655(i32 0)
; CHECK-NEXT: ret i32 0
;
entry:
%C = call i32 @pr28655(i32 0)
ret i32 %C
}
define void @non_vararg(ptr, i32) {
; CHECK-LABEL: define void @non_vararg
; CHECK-SAME: (ptr [[TMP0:%.*]], i32 [[TMP1:%.*]]) {
; CHECK-NEXT: ret void
;
ret void
}
define void @test_cast_to_vararg(ptr %this) {
; CHECK-LABEL: define void @test_cast_to_vararg
; CHECK-SAME: (ptr [[THIS:%.*]]) {
; CHECK-NEXT: call void @non_vararg(ptr [[THIS]], i32 42)
; CHECK-NEXT: ret void
;
call void (ptr, ...) @non_vararg(ptr %this, i32 42)
ret void
}