| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s | FileCheck --check-prefixes=CHECK,SINGLE-IMPL %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-uniform-ret-val.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIFORM-RET-VAL %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val0.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIQUE-RET-VAL0 %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val1.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIQUE-RET-VAL1 %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP64,INDIR %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml -mtriple=i686-unknown-linux -data-layout=e-p:32:32 < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP32 %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml -mtriple=armv7-unknown-linux -data-layout=e-p:32:32 < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-ARM %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp-branch-funnel.yaml < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP64,BRANCH-FUNNEL %s |
| ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-branch-funnel.yaml < %s | FileCheck --check-prefixes=CHECK,BRANCH-FUNNEL,BRANCH-FUNNEL-NOVCP %s |
| |
| target datalayout = "e-p:64:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; VCP-X86: @__typeid_typeid1_0_1_byte = external hidden global [0 x i8], !absolute_symbol !0 |
| ; VCP-X86: @__typeid_typeid1_0_1_bit = external hidden global [0 x i8], !absolute_symbol !1 |
| ; VCP-X86: @__typeid_typeid2_8_3_byte = external hidden global [0 x i8], !absolute_symbol !0 |
| ; VCP-X86: @__typeid_typeid2_8_3_bit = external hidden global [0 x i8], !absolute_symbol !1 |
| |
| ; Test cases where the argument values are known and we can apply virtual |
| ; constant propagation. |
| |
| ; CHECK: define i32 @call1 |
| define i32 @call1(ptr %obj) #0 { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid1") |
| call void @llvm.assume(i1 %p) |
| %fptr = load ptr, ptr %vtable |
| ; SINGLE-IMPL: call i32 @singleimpl1 |
| %result = call i32 %fptr(ptr %obj, i32 1) |
| ; UNIFORM-RET-VAL: ret i32 42 |
| ; VCP-X86: [[GEP1:%.*]] = getelementptr i8, ptr %vtable, i32 ptrtoint (ptr @__typeid_typeid1_0_1_byte to i32) |
| ; VCP-ARM: [[GEP1:%.*]] = getelementptr i8, ptr %vtable, i32 42 |
| ; VCP: [[LOAD1:%.*]] = load i32, ptr [[GEP1]] |
| ; VCP: ret i32 [[LOAD1]] |
| ; BRANCH-FUNNEL-NOVCP: call i32 @__typeid_typeid1_0_branch_funnel(ptr nest %vtable, ptr %obj, i32 1) |
| ret i32 %result |
| } |
| |
| ; Test cases where the argument values are unknown, so we cannot apply virtual |
| ; constant propagation. |
| |
| ; CHECK: define i1 @call2 |
| define i1 @call2(ptr %obj) #0 { |
| %vtable = load ptr, ptr %obj |
| %pair = call {ptr, i1} @llvm.type.checked.load(ptr %vtable, i32 8, metadata !"typeid2") |
| %fptr = extractvalue {ptr, i1} %pair, 0 |
| %p = extractvalue {ptr, i1} %pair, 1 |
| ; SINGLE-IMPL: br i1 true, |
| br i1 %p, label %cont, label %trap |
| |
| cont: |
| ; SINGLE-IMPL: call i1 @singleimpl2 |
| ; INDIR: call i1 % |
| ; BRANCH-FUNNEL: call i1 @__typeid_typeid2_8_branch_funnel(ptr nest %vtable, ptr %obj, i32 undef) |
| %result = call i1 %fptr(ptr %obj, i32 undef) |
| ret i1 %result |
| |
| trap: |
| call void @llvm.trap() |
| unreachable |
| } |
| |
| ; CHECK: define i1 @call3 |
| define i1 @call3(ptr %obj) #0 { |
| %vtable = load ptr, ptr %obj |
| %pair = call {ptr, i1} @llvm.type.checked.load(ptr %vtable, i32 8, metadata !"typeid2") |
| %fptr = extractvalue {ptr, i1} %pair, 0 |
| %p = extractvalue {ptr, i1} %pair, 1 |
| br i1 %p, label %cont, label %trap |
| |
| cont: |
| %result = call i1 %fptr(ptr %obj, i32 3) |
| ; UNIQUE-RET-VAL0: icmp ne ptr %vtable, @__typeid_typeid2_8_3_unique_member |
| ; UNIQUE-RET-VAL1: icmp eq ptr %vtable, @__typeid_typeid2_8_3_unique_member |
| ; VCP-X86: [[GEP2:%.*]] = getelementptr i8, ptr %vtable, i32 ptrtoint (ptr @__typeid_typeid2_8_3_byte to i32) |
| ; VCP-ARM: [[GEP2:%.*]] = getelementptr i8, ptr %vtable, i32 43 |
| ; VCP: [[LOAD2:%.*]] = load i8, ptr [[GEP2]] |
| ; VCP-X86: [[AND2:%.*]] = and i8 [[LOAD2]], ptrtoint (ptr @__typeid_typeid2_8_3_bit to i8) |
| ; VCP-ARM: [[AND2:%.*]] = and i8 [[LOAD2]], -128 |
| ; VCP: [[ICMP2:%.*]] = icmp ne i8 [[AND2]], 0 |
| ; VCP: ret i1 [[ICMP2]] |
| ; BRANCH-FUNNEL-NOVCP: call i1 @__typeid_typeid2_8_branch_funnel(ptr nest %vtable, ptr %obj, i32 3) |
| ret i1 %result |
| |
| trap: |
| call void @llvm.trap() |
| unreachable |
| } |
| |
| ; SINGLE-IMPL-DAG: declare void @singleimpl1() |
| ; SINGLE-IMPL-DAG: declare void @singleimpl2() |
| |
| ; VCP32: !0 = !{i32 -1, i32 -1} |
| ; VCP64: !0 = !{i64 0, i64 4294967296} |
| |
| ; VCP32: !1 = !{i32 0, i32 256} |
| ; VCP64: !1 = !{i64 0, i64 256} |
| |
| declare void @llvm.assume(i1) |
| declare void @llvm.trap() |
| declare {ptr, i1} @llvm.type.checked.load(ptr, i32, metadata) |
| declare i1 @llvm.type.test(ptr, metadata) |
| |
| attributes #0 = { "target-features"="+retpoline" } |