2019-04-17 12:52:47 +08:00
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; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
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; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
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; RUN: llvm-profdata merge %S/Inputs/switch.proftext -o %t.profdata
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; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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2019-09-11 07:15:38 +08:00
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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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2019-04-17 12:52:47 +08:00
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target triple = "x86_64-unknown-linux-gnu"
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; GEN: $__llvm_profile_raw_version = comdat any
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; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat
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; GEN: @__profn_test_switch = private constant [11 x i8] c"test_switch"
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define void @test_switch(i32 %i) {
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entry:
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; GEN: entry:
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; GEN-NOT: call void @llvm.instrprof.increment
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switch i32 %i, label %sw.default [
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i32 1, label %sw.bb
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i32 2, label %sw.bb1
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i32 3, label %sw.bb2
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]
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; USE: ]
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; USE-SAME: !prof ![[BW_SWITCH:[0-9]+]]
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; USE: ![[BW_SWITCH]] = !{!"branch_weights", i32 3, i32 2, i32 0, i32 5}
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sw.bb:
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; GEN: sw.bb:
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; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 2)
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br label %sw.epilog
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sw.bb1:
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; GEN: sw.bb1:
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; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 0)
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br label %sw.epilog
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sw.bb2:
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; GEN: sw.bb2:
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; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 1)
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br label %sw.epilog
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sw.default:
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; GEN: sw.default:
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; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 3)
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br label %sw.epilog
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sw.epilog:
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; GEN: sw.epilog:
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; GEN-NOT: call void @llvm.instrprof.increment
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ret void
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; GEN: ret void
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}
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