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84 lines
4.1 KiB
LLVM
84 lines
4.1 KiB
LLVM
; RUN: opt < %s -pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY
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; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY
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; RUN: llvm-profdata merge %S/Inputs/loop2.proftext -o %t.profdata
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; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY
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; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY
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; RUN: llvm-profdata merge %S/Inputs/loop2_entry.proftext -o %t.profdata
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; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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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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; 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_nested_for = private constant [15 x i8] c"test_nested_for"
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define i32 @test_nested_for(i32 %r, i32 %s) {
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entry:
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; GEN: entry:
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; NOTENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 2)
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; ENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 0)
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br label %for.cond.outer
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for.cond.outer:
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; GEN: for.cond.outer:
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; GEN-NOT: call void @llvm.instrprof.increment
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%i.0 = phi i32 [ 0, %entry ], [ %inc.2, %for.inc.outer ]
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%sum.0 = phi i32 [ 1, %entry ], [ %sum.1, %for.inc.outer ]
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%cmp = icmp slt i32 %i.0, %r
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br i1 %cmp, label %for.body.outer, label %for.end.outer
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; USE: br i1 %cmp, label %for.body.outer, label %for.end.outer
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; USE-SAME: !prof ![[BW_FOR_COND_OUTER:[0-9]+]]
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for.body.outer:
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; GEN: for.body.outer:
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; GEN-NOT: call void @llvm.instrprof.increment
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br label %for.cond.inner
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for.cond.inner:
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; GEN: for.cond.inner:
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; GEN-NOT: call void @llvm.instrprof.increment
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%j.0 = phi i32 [ 0, %for.body.outer ], [ %inc.1, %for.inc.inner ]
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%sum.1 = phi i32 [ %sum.0, %for.body.outer ], [ %inc, %for.inc.inner ]
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%cmp2 = icmp slt i32 %j.0, %s
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br i1 %cmp2, label %for.body.inner, label %for.end.inner
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; USE: br i1 %cmp2, label %for.body.inner, label %for.end.inner
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; USE-SAME: !prof ![[BW_FOR_COND_INNER:[0-9]+]]
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for.body.inner:
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; GEN: for.body.inner:
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; GEN-NOT: call void @llvm.instrprof.increment
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%inc = add nsw i32 %sum.1, 1
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br label %for.inc.inner
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for.inc.inner:
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; GEN: for.inc.inner:
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; NOTENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 0)
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; ENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 1)
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%inc.1 = add nsw i32 %j.0, 1
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br label %for.cond.inner
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for.end.inner:
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; GEN: for.end.inner:
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br label %for.inc.outer
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for.inc.outer:
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; GEN: for.inc.outer:
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; NOTENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 1)
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; ENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_nested_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 3, i32 2)
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%inc.2 = add nsw i32 %i.0, 1
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br label %for.cond.outer
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for.end.outer:
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; GEN: for.end.outer:
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; GEN-NOT: call void @llvm.instrprof.increment
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; GEN: ret i32
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ret i32 %sum.0
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}
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; USE-DAG: ![[BW_FOR_COND_OUTER]] = !{!"branch_weights", i32 10, i32 6}
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; USE-DAG: ![[BW_FOR_COND_INNER]] = !{!"branch_weights", i32 33, i32 10}
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