new testcase to ensure fsqrt is generated for correct subtargets only, and

that the fsqrt feature works.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23217 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/fsqrt.ll b/test/CodeGen/PowerPC/fsqrt.ll
new file mode 100644 (file)
index 0000000..29eed4e
--- /dev/null
+++ b/test/CodeGen/PowerPC/fsqrt.ll
@@ -0,0 +1,13 @@
+; fsqrt should be generated when the fsqrt feature is enabled, but not 
+; otherwise.
+
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=+fsqrt | grep 'fsqrt f1, f1' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5      | grep 'fsqrt f1, f1' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=-fsqrt | not grep 'fsqrt f1, f1' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g4 | not grep 'fsqrt f1, f1'
+
+declare double %llvm.sqrt(double)
+double %X(double %Y) {
+       %Z = call double %llvm.sqrt(double %Y)
+       ret double %Z
+}