5403c59c60
The LIT test cases were migrated with the script provided by Nikita Popov. Due to the size of the change it is split into several parts. Reviewed By: nemanja, nikic Differential Revision: https://reviews.llvm.org/D135474
83 lines
3.3 KiB
LLVM
83 lines
3.3 KiB
LLVM
; RUN: rm -rf %t && split-file %s %t
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; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mattr=-altivec -mtriple powerpc-ibm-aix-xcoff -xcoff-traceback-table=false < %t/no-ref.ll | FileCheck %s --check-prefixes=NOREF
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; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mattr=-altivec -mtriple powerpc-ibm-aix-xcoff -xcoff-traceback-table=false < %t/no-vnds.ll | FileCheck %s --check-prefixes=NOVNDS
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; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mattr=-altivec -mtriple powerpc-ibm-aix-xcoff -xcoff-traceback-table=false < %t/with-vnds.ll | FileCheck %s --check-prefixes=WITHVNDS
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;--- no-ref.ll
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; The absence of a __llvm_prf_cnts section should stop generating the .refs.
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;
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target datalayout = "E-m:a-p:32:32-i64:64-n32"
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target triple = "powerpc-ibm-aix7.2.0.0"
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@__profd_main = private global i64 zeroinitializer, section "__llvm_prf_data", align 8
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@__llvm_prf_nm = private constant [6 x i8] c"\04\00main", section "__llvm_prf_names", align 1
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@llvm.used = appending global [2 x ptr]
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[ptr @__profd_main,
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ptr @__llvm_prf_nm], section "llvm.metadata"
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define i32 @main() #0 {
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entry:
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ret i32 1
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}
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; NOREF-NOT: .ref __llvm_prf_data
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; NOREF-NOT: .ref __llvm_prf_names
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; NOREF-NOT: .ref __llvm_prf_vnds
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;--- no-vnds.ll
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; This is the most common case. When -fprofile-generate is used and there exists executable code, we generate the __llvm_prf_cnts, __llvm_prf_data, and __llvm_prf_names sections.
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;
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target datalayout = "E-m:a-p:32:32-i64:64-n32"
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target triple = "powerpc-ibm-aix7.2.0.0"
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@__profc_main = private global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", align 8
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@__profd_main = private global i64 zeroinitializer, section "__llvm_prf_data", align 8
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@__llvm_prf_nm = private constant [6 x i8] c"\04\00main", section "__llvm_prf_names", align 1
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@llvm.used = appending global [3 x ptr]
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[ptr @__profc_main,
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ptr @__profd_main,
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ptr @__llvm_prf_nm], section "llvm.metadata"
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define i32 @main() #0 {
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entry:
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ret i32 1
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}
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; There will be two __llvm_prf_cnts .csects, one to represent the actual csect
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; that holds @__profc_main, and one generated to hold the .ref directives. In
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; XCOFF, a csect can be defined in pieces, so this is is legal assembly.
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;
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; NOVNDS: .csect __llvm_prf_cnts[RW],3
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; NOVNDS: .csect __llvm_prf_cnts[RW],3
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; NOVNDS-NEXT: .ref __llvm_prf_data[RW]
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; NOVNDS-NEXT: .ref __llvm_prf_names[RO]
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; NOVNDS-NOT: .ref __llvm_prf_vnds
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;--- with-vnds.ll
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; When value profiling is needed, the PGO instrumentation generates variables in the __llvm_prf_vnds section, so we generate a .ref for them too.
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;
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@__profc_main = private global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", align 8
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@__profd_main = private global i64 zeroinitializer, section "__llvm_prf_data", align 8
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@__llvm_prf_nm = private constant [6 x i8] c"\04\00main", section "__llvm_prf_names", align 1
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@__llvm_prf_vnodes = private global [10 x { i64, i64, ptr }] zeroinitializer, section "__llvm_prf_vnds"
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@llvm.used = appending global [4 x ptr]
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[ptr @__profc_main,
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ptr @__profd_main,
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ptr @__llvm_prf_nm,
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ptr @__llvm_prf_vnodes], section "llvm.metadata"
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define i32 @main() #0 {
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entry:
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ret i32 1
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}
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; WITHVNDS: .csect __llvm_prf_cnts[RW],3
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; WITHVNDS: .csect __llvm_prf_cnts[RW],3
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; WITHVNDS-NEXT: .ref __llvm_prf_data[RW]
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; WITHVNDS-NEXT: .ref __llvm_prf_names[RO]
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; WITHVNDS-NEXT: .ref __llvm_prf_vnds[RW]
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