| ; RUN: opt -pgo-kind=pgo-instr-gen-pipeline -passes="default<O3>" -enable-nontrivial-unswitch -S < %s | FileCheck %s |
| ; REQUIRES: asserts |
| |
| 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" |
| |
| @__profn_c = private constant [1 x i8] c"c" |
| @b = common dso_local global i32 0, align 4 |
| @a = common dso_local global i16 0, align 2 |
| |
| ; CHECK-LABEL: @c() |
| ; Function Attrs: nounwind uwtable |
| define dso_local void @c() #0 { |
| entry: |
| call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 0) |
| br label %for.cond |
| |
| for.cond: ; preds = %for.end, %entry |
| call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 1) |
| store i32 0, i32* @b, align 4 |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.inc, %for.cond |
| %0 = load i32, i32* @b, align 4 |
| %1 = load i16, i16* @a, align 2 |
| %conv = sext i16 %1 to i32 |
| %cmp = icmp slt i32 %0, %conv |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond1 |
| call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 2) |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %2 = load i32, i32* @b, align 4 |
| %inc = add nsw i32 %2, 1 |
| store i32 %inc, i32* @b, align 4 |
| br label %for.cond1 |
| |
| for.end: ; preds = %for.cond1 |
| br label %for.cond |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.instrprof.increment(i8*, i64, i32, i32) #1 |
| |
| attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind } |
| |
