1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/branch-fold-threshold.ll b/test/Transforms/SimplifyCFG/branch-fold-threshold.ll
new file mode 100644
index 0000000..878c0a4
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/branch-fold-threshold.ll
@@ -0,0 +1,28 @@
+; RUN: opt %s -simplifycfg -S | FileCheck %s --check-prefix=NORMAL
+; RUN: opt %s -simplifycfg -S -bonus-inst-threshold=2 | FileCheck %s --check-prefix=AGGRESSIVE
+
+define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) {
+; NORMAL-LABEL: @foo(
+; AGGRESSIVE-LABEL: @foo(
+entry:
+  %cmp = icmp sgt i32 %d, 3
+  br i1 %cmp, label %cond.end, label %lor.lhs.false
+; NORMAL: br i1
+; AGGRESSIVE: br i1
+
+lor.lhs.false:
+  %mul = shl i32 %c, 1
+  %add = add nsw i32 %mul, %a
+  %cmp1 = icmp slt i32 %add, %b
+  br i1 %cmp1, label %cond.false, label %cond.end
+; NORMAL: br i1
+; AGGRESSIVE-NOT: br i1
+
+cond.false:
+  %0 = load i32* %input, align 4
+  br label %cond.end
+
+cond.end:
+  %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
+  ret i32 %cond
+}