Vendor import of llvm trunk r161861:

http://llvm.org/svn/llvm-project/llvm/trunk@161861

1 files changed, 39 insertions, 0 deletions

diff --git a/test/CodeGen/Mips/fp-spill-reload.ll b/test/CodeGen/Mips/fp-spill-reload.ll
new file mode 100644
index 0000000..f9887a5
--- /dev/null
+++ b/test/CodeGen/Mips/fp-spill-reload.ll
@@ -0,0 +1,39 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s
+; check that $fp is not reserved. 
+
+define void @foo0(i32* nocapture %b) nounwind {
+entry:
+; CHECK: sw  $fp
+; CHECK: lw  $fp
+  %0 = load i32* %b, align 4
+  %arrayidx.1 = getelementptr inbounds i32* %b, i32 1
+  %1 = load i32* %arrayidx.1, align 4
+  %add.1 = add nsw i32 %1, 1
+  %arrayidx.2 = getelementptr inbounds i32* %b, i32 2
+  %2 = load i32* %arrayidx.2, align 4
+  %add.2 = add nsw i32 %2, 2
+  %arrayidx.3 = getelementptr inbounds i32* %b, i32 3
+  %3 = load i32* %arrayidx.3, align 4
+  %add.3 = add nsw i32 %3, 3
+  %arrayidx.4 = getelementptr inbounds i32* %b, i32 4
+  %4 = load i32* %arrayidx.4, align 4
+  %add.4 = add nsw i32 %4, 4
+  %arrayidx.5 = getelementptr inbounds i32* %b, i32 5
+  %5 = load i32* %arrayidx.5, align 4
+  %add.5 = add nsw i32 %5, 5
+  %arrayidx.6 = getelementptr inbounds i32* %b, i32 6
+  %6 = load i32* %arrayidx.6, align 4
+  %add.6 = add nsw i32 %6, 6
+  %arrayidx.7 = getelementptr inbounds i32* %b, i32 7
+  %7 = load i32* %arrayidx.7, align 4
+  %add.7 = add nsw i32 %7, 7
+  call void @foo2(i32 %0, i32 %add.1, i32 %add.2, i32 %add.3, i32 %add.4, i32 %add.5, i32 %add.6, i32 %add.7) nounwind
+  call void bitcast (void (...)* @foo1 to void ()*)() nounwind
+  call void @foo2(i32 %0, i32 %add.1, i32 %add.2, i32 %add.3, i32 %add.4, i32 %add.5, i32 %add.6, i32 %add.7) nounwind
+  ret void
+}
+
+declare void @foo2(i32, i32, i32, i32, i32, i32, i32, i32)
+
+declare void @foo1(...)
+