It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/fsqrt.ll b/test/CodeGen/PowerPC/fsqrt.ll
new file mode 100644
index 0000000..809077b
--- /dev/null
+++ b/test/CodeGen/PowerPC/fsqrt.ll
@@ -0,0 +1,21 @@
+; fsqrt should be generated when the fsqrt feature is enabled, but not
+; otherwise.
+
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -mattr=+fsqrt | \
+; RUN: grep {fsqrt f1, f1}
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -mcpu=g5 | \
+; RUN: grep {fsqrt f1, f1}
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -mattr=-fsqrt | \
+; RUN: not grep {fsqrt f1, f1}
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -mcpu=g4 | \
+; RUN: not grep {fsqrt f1, f1}
+
+declare double %llvm.sqrt.f64(double)
+double %X(double %Y) {
+ %Z = call double %llvm.sqrt.f64(double %Y)
+ ret double %Z
+}