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