1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/strrchr-2.ll b/test/Transforms/InstCombine/strrchr-2.ll
new file mode 100644
index 0000000..1974f6c
--- /dev/null
+++ b/test/Transforms/InstCombine/strrchr-2.ll
@@ -0,0 +1,21 @@
+; Test that the strrchr libcall simplifier works correctly.
+;
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+
+@hello = constant [14 x i8] c"hello world\5Cn\00"
+@chr = global i8 zeroinitializer
+
+declare i8 @strrchr(i8*, i32)
+
+define void @test_nosimplify1() {
+; CHECK: test_nosimplify1
+; CHECK: call i8 @strrchr
+; CHECK: ret void
+
+  %str = getelementptr [14 x i8]* @hello, i32 0, i32 0
+  %dst = call i8 @strrchr(i8* %str, i32 119)
+  store i8 %dst, i8* @chr
+  ret void
+}