derek.holloway
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37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
; RUN: opt < %s -passes=instrprof -S | FileCheck %s
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; Test that weak functions on GPU targets get weak linkage for their
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; __profd_ aliases to allow linker deduplication across TUs.
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; Non-weak functions get external linkage (default for aliases).
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target triple = "amdgcn-amd-amdhsa"
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@__hip_cuid_abc123 = addrspace(1) global i8 0
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; AMDGPU GPU profiling lowers to per-function comdat globals (not aliases).
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; CHECK: @__profd_weak_func = linkonce_odr protected addrspace(1) global
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@__profn_weak_func = private constant [9 x i8] c"weak_func"
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define weak void @weak_func() {
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call void @llvm.instrprof.increment(ptr @__profn_weak_func, i64 0, i32 1, i32 0)
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ret void
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}
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; CHECK: @__profd_weak_odr_func = linkonce_odr protected addrspace(1) global
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@__profn_weak_odr_func = private constant [13 x i8] c"weak_odr_func"
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define weak_odr void @weak_odr_func() {
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call void @llvm.instrprof.increment(ptr @__profn_weak_odr_func, i64 0, i32 1, i32 0)
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ret void
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}
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; CHECK: @__profd_normal_func = linkonce_odr protected addrspace(1) global
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@__profn_normal_func = private constant [11 x i8] c"normal_func"
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define void @normal_func() {
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call void @llvm.instrprof.increment(ptr @__profn_normal_func, i64 0, i32 1, i32 0)
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ret void
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}
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declare void @llvm.instrprof.increment(ptr, i64, i32, i32)
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