1; 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 2; 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 3; 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 4; 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 5; 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 6; 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 7; 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 8; 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 9; 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 10 11; Cutoff value is not explicitly set. Expect 3 remark messages. 12; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -pass-remarks=wholeprogramdevirt -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s 2>&1 | grep "single-impl" | count 3 13; Cutoff value is set to 1. Expect one remark messages. 14; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -pass-remarks=wholeprogramdevirt -wholeprogramdevirt-cutoff=1 -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s 2>&1 | grep "single-impl" | count 1 15; Cutoff value is explicitly set to zero. Expect no remark message. 16; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -pass-remarks=wholeprogramdevirt -wholeprogramdevirt-cutoff=0 -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s 2>&1 | FileCheck -implicit-check-not="remark" %s 17target datalayout = "e-p:64:64" 18target triple = "x86_64-unknown-linux-gnu" 19 20; VCP-X86: @__typeid_typeid1_0_1_byte = external hidden global [0 x i8], !absolute_symbol !0 21; VCP-X86: @__typeid_typeid1_0_1_bit = external hidden global [0 x i8], !absolute_symbol !1 22; VCP-X86: @__typeid_typeid2_8_3_byte = external hidden global [0 x i8], !absolute_symbol !0 23; VCP-X86: @__typeid_typeid2_8_3_bit = external hidden global [0 x i8], !absolute_symbol !1 24 25; Test cases where the argument values are known and we can apply virtual 26; constant propagation. 27 28; CHECK: define i32 @call1 29define i32 @call1(ptr %obj) #0 { 30 %vtable = load ptr, ptr %obj 31 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid1") 32 call void @llvm.assume(i1 %p) 33 %fptr = load ptr, ptr %vtable 34 ; SINGLE-IMPL: call i32 @singleimpl1 35 %result = call i32 %fptr(ptr %obj, i32 1) 36 ; UNIFORM-RET-VAL: ret i32 42 37 ; VCP-X86: [[GEP1:%.*]] = getelementptr i8, ptr %vtable, i32 ptrtoint (ptr @__typeid_typeid1_0_1_byte to i32) 38 ; VCP-ARM: [[GEP1:%.*]] = getelementptr i8, ptr %vtable, i32 42 39 ; VCP: [[LOAD1:%.*]] = load i32, ptr [[GEP1]] 40 ; VCP: ret i32 [[LOAD1]] 41 ; BRANCH-FUNNEL-NOVCP: call i32 @__typeid_typeid1_0_branch_funnel(ptr nest %vtable, ptr %obj, i32 1) 42 ret i32 %result 43} 44 45; Test cases where the argument values are unknown, so we cannot apply virtual 46; constant propagation. 47 48; CHECK: define i1 @call2 49define i1 @call2(ptr %obj) #0 { 50 %vtable = load ptr, ptr %obj 51 %pair = call {ptr, i1} @llvm.type.checked.load(ptr %vtable, i32 8, metadata !"typeid2") 52 %fptr = extractvalue {ptr, i1} %pair, 0 53 %p = extractvalue {ptr, i1} %pair, 1 54 ; SINGLE-IMPL: br i1 true, 55 br i1 %p, label %cont, label %trap 56 57cont: 58 ; SINGLE-IMPL: call i1 @singleimpl2 59 ; INDIR: call i1 % 60 ; BRANCH-FUNNEL: call i1 @__typeid_typeid2_8_branch_funnel(ptr nest %vtable, ptr %obj, i32 undef) 61 %result = call i1 %fptr(ptr %obj, i32 undef) 62 ret i1 %result 63 64trap: 65 call void @llvm.trap() 66 unreachable 67} 68 69; CHECK: define i1 @call3 70define i1 @call3(ptr %obj) #0 { 71 %vtable = load ptr, ptr %obj 72 %pair = call {ptr, i1} @llvm.type.checked.load(ptr %vtable, i32 8, metadata !"typeid2") 73 %fptr = extractvalue {ptr, i1} %pair, 0 74 %p = extractvalue {ptr, i1} %pair, 1 75 br i1 %p, label %cont, label %trap 76 77cont: 78 %result = call i1 %fptr(ptr %obj, i32 3) 79 ; UNIQUE-RET-VAL0: icmp ne ptr %vtable, @__typeid_typeid2_8_3_unique_member 80 ; UNIQUE-RET-VAL1: icmp eq ptr %vtable, @__typeid_typeid2_8_3_unique_member 81 ; VCP-X86: [[GEP2:%.*]] = getelementptr i8, ptr %vtable, i32 ptrtoint (ptr @__typeid_typeid2_8_3_byte to i32) 82 ; VCP-ARM: [[GEP2:%.*]] = getelementptr i8, ptr %vtable, i32 43 83 ; VCP: [[LOAD2:%.*]] = load i8, ptr [[GEP2]] 84 ; VCP-X86: [[AND2:%.*]] = and i8 [[LOAD2]], ptrtoint (ptr @__typeid_typeid2_8_3_bit to i8) 85 ; VCP-ARM: [[AND2:%.*]] = and i8 [[LOAD2]], -128 86 ; VCP: [[ICMP2:%.*]] = icmp ne i8 [[AND2]], 0 87 ; VCP: ret i1 [[ICMP2]] 88 ; BRANCH-FUNNEL-NOVCP: call i1 @__typeid_typeid2_8_branch_funnel(ptr nest %vtable, ptr %obj, i32 3) 89 ret i1 %result 90 91trap: 92 call void @llvm.trap() 93 unreachable 94} 95 96; SINGLE-IMPL-DAG: declare void @singleimpl1() 97; SINGLE-IMPL-DAG: declare void @singleimpl2() 98 99; VCP32: !0 = !{i32 -1, i32 -1} 100; VCP64: !0 = !{i64 0, i64 4294967296} 101 102; VCP32: !1 = !{i32 0, i32 256} 103; VCP64: !1 = !{i64 0, i64 256} 104 105declare void @llvm.assume(i1) 106declare void @llvm.trap() 107declare {ptr, i1} @llvm.type.checked.load(ptr, i32, metadata) 108declare i1 @llvm.type.test(ptr, metadata) 109 110attributes #0 = { "target-features"="+retpoline" } 111