| ; Full LTO test |
| ; RUN: opt %s -o %t.bc |
| ; RUN: llvm-lto2 run -o %t.o %t.bc -save-temps \ |
| ; RUN: -r=%t.bc,a,px \ |
| ; RUN: -r=%t.bc,b,px \ |
| ; RUN: -r=%t.bc,c,px \ |
| ; RUN: -r=%t.bc,d,px |
| ; RUN: llvm-readelf --symbols %t.o.0 | grep \.cfi_jt | FileCheck --check-prefix=CHECK-FULL-RE %s |
| ; RUN: llvm-objdump -dr %t.o.0 | FileCheck --check-prefix=CHECK-FULL-OD %s |
| ; RUN: llvm-dis %t.o.0.4.opt.bc -o - | FileCheck --check-prefix=CHECK-USED %s |
| ; Thin LTO test |
| ; RUN: opt -thinlto-bc -thinlto-split-lto-unit %s -o %t.bc |
| ; RUN: llvm-lto2 run -o %t.o %t.bc \ |
| ; RUN: -r=%t.bc,a,px \ |
| ; RUN: -r=%t.bc,b,px \ |
| ; RUN: -r=%t.bc,c,px \ |
| ; RUN: -r=%t.bc,d,px |
| ; RUN: llvm-readelf --symbols %t.o.0 | grep \.cfi_jt | FileCheck --check-prefix=CHECK-THIN-RE %s |
| ; RUN: llvm-objdump -dr %t.o.0 | FileCheck --check-prefix=CHECK-THIN-OD %s |
| |
| ; CHECK-FULL-RE: FUNC LOCAL DEFAULT {{[0-9]+}} a.cfi_jt |
| ; CHECK-FULL-RE-NEXT: FUNC LOCAL DEFAULT {{[0-9]+}} b.cfi_jt |
| ; CHECK-FULL-RE-NEXT: FUNC LOCAL DEFAULT {{[0-9]+}} c.cfi_jt |
| |
| ; CHECK-THIN-RE: FUNC GLOBAL HIDDEN {{[0-9]+}} b.cfi_jt |
| ; CHECK-THIN-RE-NEXT: FUNC GLOBAL HIDDEN {{[0-9]+}} c.cfi_jt |
| ; CHECK-THIN-RE-NEXT: FUNC GLOBAL HIDDEN {{[0-9]+}} a.cfi_jt |
| |
| ; CHECK-FULL-OD: a.cfi_jt>: |
| ; CHECK-FULL-OD: jmp {{.*}} <a.cfi_jt |
| ; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .La$local |
| ; CHECK-FULL-OD: b.cfi_jt>: |
| ; CHECK-FULL-OD: jmp {{.*}} <b.cfi_jt |
| ; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .Lb$local |
| ; CHECK-FULL-OD: c.cfi_jt>: |
| ; CHECK-FULL-OD: jmp {{.*}} <c.cfi_jt |
| ; CHECK-FULL-OD-NEXT: R_X86_64_PLT32 .Lc$local |
| |
| ; CHECK-THIN-OD: b.cfi_jt>: |
| ; CHECK-THIN-OD: jmp {{.*}} <b.cfi_jt |
| ; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 b |
| ; CHECK-THIN-OD: c.cfi_jt>: |
| ; CHECK-THIN-OD: jmp {{.*}} <c.cfi_jt |
| ; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 c |
| ; CHECK-THIN-OD: a.cfi_jt>: |
| ; CHECK-THIN-OD: jmp {{.*}} <a.cfi_jt |
| ; CHECK-THIN-OD-NEXT: R_X86_64_PLT32 a |
| |
| ; CHECK-USED: @llvm.used = appending global [3 x i8*] [i8* bitcast (void ()* @a.cfi_jt to i8*), i8* bitcast (void ()* @b.cfi_jt to i8*), i8* bitcast (void ()* @c.cfi_jt to i8*)], section "llvm.metadata" |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @f = internal global [4 x void ()*] [void ()* @a, void ()* @b, void ()* @c, void ()* null], align 16 |
| |
| define dso_local void @a() !type !5 !type !6 { ret void } |
| define dso_local void @b() !type !5 !type !6 { ret void } |
| define dso_local void @c() !type !5 !type !6 { ret void } |
| |
| define dso_local void @d() !type !5 !type !6 { |
| entry: |
| %i = alloca i32, align 4 |
| store i32 0, i32* %i, align 4 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %0 = load i32, i32* %i, align 4 |
| %idxprom = sext i32 %0 to i64 |
| %arrayidx = getelementptr inbounds [4 x void ()*], [4 x void ()*]* @f, i64 0, i64 %idxprom |
| %1 = load void ()*, void ()** %arrayidx, align 8 |
| %tobool = icmp ne void ()* %1, null |
| br i1 %tobool, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %2 = load i32, i32* %i, align 4 |
| %idxprom1 = sext i32 %2 to i64 |
| %arrayidx2 = getelementptr inbounds [4 x void ()*], [4 x void ()*]* @f, i64 0, i64 %idxprom1 |
| %3 = load void ()*, void ()** %arrayidx2, align 8 |
| %4 = bitcast void ()* %3 to i8*, !nosanitize !7 |
| %5 = call i1 @llvm.type.test(i8* %4, metadata !"_ZTSFvvE"), !nosanitize !7 |
| br i1 %5, label %cont, label %trap, !nosanitize !7 |
| |
| trap: ; preds = %for.body |
| call void @llvm.ubsantrap(i8 2), !nosanitize !7 |
| unreachable, !nosanitize !7 |
| |
| cont: ; preds = %for.body |
| call void %3() |
| br label %for.inc |
| |
| for.inc: ; preds = %cont |
| %6 = load i32, i32* %i, align 4 |
| %inc = add nsw i32 %6, 1 |
| store i32 %inc, i32* %i, align 4 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |
| |
| declare i1 @llvm.type.test(i8*, metadata) |
| declare void @llvm.ubsantrap(i8 immarg) |
| |
| !llvm.module.flags = !{!0, !1, !2, !3} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 4, !"CFI Canonical Jump Tables", i32 0} |
| !2 = !{i32 7, !"uwtable", i32 1} |
| !3 = !{i32 7, !"frame-pointer", i32 2} |
| !5 = !{i64 0, !"_ZTSFvvE"} |
| !6 = !{i64 0, !"_ZTSFvvE.generalized"} |
| !7 = !{} |