xref: /llvm-project/llvm/test/Analysis/MemorySSA/pr43569.ll (revision 8e44f13c6d294e6b4864441b22045b507782540c)
16699029bSArthur Eubanks; RUN: opt -pgo-kind=pgo-instr-gen-pipeline -passes="default<O3>" -enable-nontrivial-unswitch -S < %s | FileCheck %s
27faa14a9SAlina Sbirlea; REQUIRES: asserts
37faa14a9SAlina Sbirlea
47faa14a9SAlina Sbirleatarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
57faa14a9SAlina Sbirleatarget triple = "x86_64-unknown-linux-gnu"
67faa14a9SAlina Sbirlea
77faa14a9SAlina Sbirlea@__profn_c = private constant [1 x i8] c"c"
87faa14a9SAlina Sbirlea@b = common dso_local global i32 0, align 4
97faa14a9SAlina Sbirlea@a = common dso_local global i16 0, align 2
107faa14a9SAlina Sbirlea
117faa14a9SAlina Sbirlea; CHECK-LABEL: @c()
127faa14a9SAlina Sbirlea; Function Attrs: nounwind uwtable
137faa14a9SAlina Sbirleadefine dso_local void @c() #0 {
147faa14a9SAlina Sbirleaentry:
15*8e44f13cSNikita Popov  call void @llvm.instrprof.increment(ptr @__profn_c, i64 68269137, i32 3, i32 0)
167faa14a9SAlina Sbirlea  br label %for.cond
177faa14a9SAlina Sbirlea
187faa14a9SAlina Sbirleafor.cond:                                         ; preds = %for.end, %entry
19*8e44f13cSNikita Popov  call void @llvm.instrprof.increment(ptr @__profn_c, i64 68269137, i32 3, i32 1)
20*8e44f13cSNikita Popov  store i32 0, ptr @b, align 4
217faa14a9SAlina Sbirlea  br label %for.cond1
227faa14a9SAlina Sbirlea
237faa14a9SAlina Sbirleafor.cond1:                                        ; preds = %for.inc, %for.cond
24*8e44f13cSNikita Popov  %0 = load i32, ptr @b, align 4
25*8e44f13cSNikita Popov  %1 = load i16, ptr @a, align 2
267faa14a9SAlina Sbirlea  %conv = sext i16 %1 to i32
277faa14a9SAlina Sbirlea  %cmp = icmp slt i32 %0, %conv
287faa14a9SAlina Sbirlea  br i1 %cmp, label %for.body, label %for.end
297faa14a9SAlina Sbirlea
307faa14a9SAlina Sbirleafor.body:                                         ; preds = %for.cond1
31*8e44f13cSNikita Popov  call void @llvm.instrprof.increment(ptr @__profn_c, i64 68269137, i32 3, i32 2)
327faa14a9SAlina Sbirlea  br label %for.inc
337faa14a9SAlina Sbirlea
347faa14a9SAlina Sbirleafor.inc:                                          ; preds = %for.body
35*8e44f13cSNikita Popov  %2 = load i32, ptr @b, align 4
367faa14a9SAlina Sbirlea  %inc = add nsw i32 %2, 1
37*8e44f13cSNikita Popov  store i32 %inc, ptr @b, align 4
387faa14a9SAlina Sbirlea  br label %for.cond1
397faa14a9SAlina Sbirlea
407faa14a9SAlina Sbirleafor.end:                                          ; preds = %for.cond1
417faa14a9SAlina Sbirlea  br label %for.cond
427faa14a9SAlina Sbirlea}
437faa14a9SAlina Sbirlea
447faa14a9SAlina Sbirlea; Function Attrs: nounwind
45*8e44f13cSNikita Popovdeclare void @llvm.instrprof.increment(ptr, i64, i32, i32) #1
467faa14a9SAlina Sbirlea
474ab3041aSserge-sans-pailleattributes #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" }
487faa14a9SAlina Sbirleaattributes #1 = { nounwind }
497faa14a9SAlina Sbirlea
50