47 lines
1.8 KiB
LLVM
47 lines
1.8 KiB
LLVM
; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
|
|
; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
|
|
; RUN: llvm-profdata merge %S/Inputs/loop1.proftext -o %t.profdata
|
|
; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
|
|
; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; GEN: $__llvm_profile_raw_version = comdat any
|
|
; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat
|
|
; GEN: @__profn_test_simple_for = private constant [15 x i8] c"test_simple_for"
|
|
|
|
define i32 @test_simple_for(i32 %n) {
|
|
entry:
|
|
; GEN: entry:
|
|
; GEN-NOT: call void @llvm.instrprof.increment
|
|
br label %for.cond
|
|
|
|
for.cond:
|
|
; GEN: for.cond:
|
|
; GEN-NOT: call void @llvm.instrprof.increment
|
|
%i = phi i32 [ 0, %entry ], [ %inc1, %for.inc ]
|
|
%sum = phi i32 [ 1, %entry ], [ %inc, %for.inc ]
|
|
%cmp = icmp slt i32 %i, %n
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
; USE: br i1 %cmp, label %for.body, label %for.end
|
|
; USE-SAME: !prof ![[BW_FOR_COND:[0-9]+]]
|
|
; USE: ![[BW_FOR_COND]] = !{!"branch_weights", i32 96, i32 4}
|
|
|
|
for.body:
|
|
; GEN: for.body:
|
|
; GEN-NOT: call void @llvm.instrprof.increment
|
|
%inc = add nsw i32 %sum, 1
|
|
br label %for.inc
|
|
|
|
for.inc:
|
|
; GEN: for.inc:
|
|
; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 34137660316, i32 2, i32 0)
|
|
%inc1 = add nsw i32 %i, 1
|
|
br label %for.cond
|
|
|
|
for.end:
|
|
; GEN: for.end:
|
|
; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 34137660316, i32 2, i32 1)
|
|
ret i32 %sum
|
|
}
|