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