From 3dfe8958d7f8e7bc1ea0387831152aaae12ac90a Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 5 Mar 2003 22:56:59 +0000
Subject: [PATCH] New testcase for pow builtin recognition

llvm-svn: 5706
---
 test/Regression/Transforms/InstCombine/pow.ll | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 test/Regression/Transforms/InstCombine/pow.ll

diff --git a/test/Regression/Transforms/InstCombine/pow.ll b/test/Regression/Transforms/InstCombine/pow.ll
new file mode 100644
index 00000000000..ca0a98a8085
--- /dev/null
+++ b/test/Regression/Transforms/InstCombine/pow.ll
@@ -0,0 +1,23 @@
+; Testcase for calls to the standard C "pow" function
+; RUN: if as < %s | opt -instcombine | dis | grep 'call double %pow'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+declare double %pow(double, double)
+
+double %test1(double %X) {
+	%Y = call double %pow(double %X, double 0.0)
+	ret double %Y    ; x^0.0 always equals 0.0
+}
+
+double %test2(double %X) {
+	%Y = call double %pow(double %X, double -0.0)
+	ret double %Y    ; x^-0.0 always equals 0.0
+}
+
+double %test3(double %X) {
+	%Y = call double %pow(double 1.0, double %X)
+	ret double %Y    ; 1.0^x always equals 1.0
+}
+