summaryrefslogtreecommitdiffstats
path: root/llvm/test/Analysis/MemorySSA/pr43569.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/Analysis/MemorySSA/pr43569.ll')
-rw-r--r--llvm/test/Analysis/MemorySSA/pr43569.ll49
1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/Analysis/MemorySSA/pr43569.ll b/llvm/test/Analysis/MemorySSA/pr43569.ll
new file mode 100644
index 00000000000..c9c68451e6a
--- /dev/null
+++ b/llvm/test/Analysis/MemorySSA/pr43569.ll
@@ -0,0 +1,49 @@
+; RUN: opt -pgo-kind=pgo-instr-gen-pipeline -aa-pipeline=default -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 }
+
OpenPOWER on IntegriCloud