1; Full LTO test 2; RUN: opt %s -o %t.bc 3; RUN: llvm-lto2 run -o %t.o %t.bc -save-temps \ 4; RUN: -r=%t.bc,a,px \ 5; RUN: -r=%t.bc,b,px \ 6; RUN: -r=%t.bc,c,px \ 7; RUN: -r=%t.bc,d,px 8; RUN: llvm-readelf --symbols %t.o.0 | grep \.cfi_jt | FileCheck --check-prefix=CHECK-FULL-RE %s 9; RUN: llvm-objdump -dr %t.o.0 | FileCheck --check-prefix=CHECK-FULL-OD %s 10; RUN: llvm-dis %t.o.0.4.opt.bc -o - | FileCheck --check-prefix=CHECK-USED %s 11; Thin LTO test 12; RUN: opt -thinlto-bc -thinlto-split-lto-unit %s -o %t.bc 13; RUN: llvm-lto2 run -o %t.o %t.bc \ 14; RUN: -r=%t.bc,a,px \ 15; RUN: -r=%t.bc,b,px \ 16; RUN: -r=%t.bc,c,px \ 17; RUN: -r=%t.bc,d,px 18; RUN: llvm-readelf --symbols %t.o.0 | grep \.cfi_jt | FileCheck --check-prefix=CHECK-THIN-RE %s 19; RUN: llvm-objdump -dr %t.o.0 | FileCheck --check-prefix=CHECK-THIN-OD %s 20 21; CHECK-FULL-RE: FUNC LOCAL DEFAULT {{[0-9]+}} a.cfi_jt 22; CHECK-FULL-RE-NEXT: FUNC LOCAL DEFAULT {{[0-9]+}} b.cfi_jt 23; CHECK-FULL-RE-NEXT: FUNC LOCAL DEFAULT {{[0-9]+}} c.cfi_jt 24 25; CHECK-THIN-RE: FUNC GLOBAL HIDDEN {{[0-9]+}} a.cfi_jt 26; CHECK-THIN-RE-NEXT: FUNC GLOBAL HIDDEN {{[0-9]+}} b.cfi_jt 27; CHECK-THIN-RE-NEXT: FUNC GLOBAL HIDDEN {{[0-9]+}} c.cfi_jt 28 29; CHECK-FULL-OD: a.cfi_jt>: 30; CHECK-FULL-OD: jmp {{.*}} <a.cfi_jt 31; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .La$local 32; CHECK-FULL-OD: b.cfi_jt>: 33; CHECK-FULL-OD: jmp {{.*}} <b.cfi_jt 34; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .Lb$local 35; CHECK-FULL-OD: c.cfi_jt>: 36; CHECK-FULL-OD: jmp {{.*}} <c.cfi_jt 37; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .Lc$local 38 39; CHECK-THIN-OD: a.cfi_jt>: 40; CHECK-THIN-OD: jmp {{.*}} <a.cfi_jt 41; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 a 42; CHECK-THIN-OD: b.cfi_jt>: 43; CHECK-THIN-OD: jmp {{.*}} <b.cfi_jt 44; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 b 45; CHECK-THIN-OD: c.cfi_jt>: 46; CHECK-THIN-OD: jmp {{.*}} <c.cfi_jt 47; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 c 48 49; CHECK-USED: @llvm.used = appending global [3 x ptr] [ptr @a.cfi_jt, ptr @b.cfi_jt, ptr @c.cfi_jt], section "llvm.metadata" 50 51target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 52target triple = "x86_64-unknown-linux-gnu" 53 54@f = internal global [4 x ptr] [ptr @a, ptr @b, ptr @c, ptr null], align 16 55 56define dso_local void @a() !type !5 !type !6 { ret void } 57define dso_local void @b() !type !5 !type !6 { ret void } 58define dso_local void @c() !type !5 !type !6 { ret void } 59 60define dso_local void @d() !type !5 !type !6 { 61entry: 62 %i = alloca i32, align 4 63 store i32 0, ptr %i, align 4 64 br label %for.cond 65 66for.cond: ; preds = %for.inc, %entry 67 %0 = load i32, ptr %i, align 4 68 %idxprom = sext i32 %0 to i64 69 %arrayidx = getelementptr inbounds [4 x ptr], ptr @f, i64 0, i64 %idxprom 70 %1 = load ptr, ptr %arrayidx, align 8 71 %tobool = icmp ne ptr %1, null 72 br i1 %tobool, label %for.body, label %for.end 73 74for.body: ; preds = %for.cond 75 %2 = load i32, ptr %i, align 4 76 %idxprom1 = sext i32 %2 to i64 77 %arrayidx2 = getelementptr inbounds [4 x ptr], ptr @f, i64 0, i64 %idxprom1 78 %3 = load ptr, ptr %arrayidx2, align 8 79 %4 = call i1 @llvm.type.test(ptr %3, metadata !"_ZTSFvvE"), !nosanitize !7 80 br i1 %4, label %cont, label %trap, !nosanitize !7 81 82trap: ; preds = %for.body 83 call void @llvm.ubsantrap(i8 2), !nosanitize !7 84 unreachable, !nosanitize !7 85 86cont: ; preds = %for.body 87 call void %3() 88 br label %for.inc 89 90for.inc: ; preds = %cont 91 %5 = load i32, ptr %i, align 4 92 %inc = add nsw i32 %5, 1 93 store i32 %inc, ptr %i, align 4 94 br label %for.cond 95 96for.end: ; preds = %for.cond 97 ret void 98} 99 100declare i1 @llvm.type.test(ptr, metadata) 101declare void @llvm.ubsantrap(i8 immarg) 102 103!llvm.module.flags = !{!0, !1, !2, !3} 104 105!0 = !{i32 1, !"wchar_size", i32 4} 106!1 = !{i32 4, !"CFI Canonical Jump Tables", i32 0} 107!2 = !{i32 7, !"uwtable", i32 1} 108!3 = !{i32 7, !"frame-pointer", i32 2} 109!5 = !{i64 0, !"_ZTSFvvE"} 110!6 = !{i64 0, !"_ZTSFvvE.generalized"} 111!7 = !{} 112