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[PGO] Add tests for modules with only globals and function declarations #93764

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Merged
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May 30, 2024
Merged

[PGO] Add tests for modules with only globals and function declarations #93764

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17 changes: 17 additions & 0 deletions llvm/test/Transforms/PGOProfile/available_externally_functions.ll
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; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-COMDAT

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"

; GEN-COMDAT: $__llvm_profile_raw_version = comdat any
; GEN-COMDAT: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat
; GEN: @__profn_foo = linkonce_odr hidden constant [3 x i8] c"foo"
; GEN: @__profn_bar = linkonce_odr hidden constant [3 x i8] c"bar"

define available_externally hidden void @foo() {
ret void
}

define available_externally i32 @bar() {
ret i32 42
}
13 changes: 13 additions & 0 deletions llvm/test/Transforms/PGOProfile/declarations_only.ll
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; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-COMDAT

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"

; GEN-COMDAT: $__llvm_profile_raw_version = comdat any
; GEN-COMDAT: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat
; GEN-NOT: @__profn_test_1 = private constant [6 x i8] c"test_1"
; GEN-NOT: @__profn_test_2 = private constant [6 x i8] c"test_2"

declare i32 @test_1(i32 %i)

declare i32 @test_2(i32 %i)
9 changes: 9 additions & 0 deletions llvm/test/Transforms/PGOProfile/global_variables_only.ll
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; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN-COMDAT

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"

; GEN-COMDAT: $__llvm_profile_raw_version = comdat any
; GEN-COMDAT: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat

@var = internal unnamed_addr global [35 x ptr] zeroinitializer, align 16
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