From cf9a61b6eeb12d647b484cbc6eb09d4ca1ca8bb0 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Thu, 13 Dec 2012 03:17:29 +0000 Subject: [mips] Do not copy GOT address to register $gp if the function being called has internal linkage. llvm-svn: 170092 --- llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll (limited to 'llvm/test/CodeGen') diff --git a/llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll b/llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll new file mode 100644 index 00000000000..85d8d4b1db1 --- /dev/null +++ b/llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll @@ -0,0 +1,27 @@ +; RUN: llc -march=mipsel -disable-mips-delay-filler < %s | FileCheck %s + +@g = external global i32 + +; CHECK: addu $gp +; CHECK: jalr $25 +; CHECK: nop +; CHECK-NOT: addu $gp +; CHECK: jalr $25 + +define void @f0() nounwind { +entry: + tail call void @externalFunc() nounwind + tail call fastcc void @internalFunc() + ret void +} + +declare void @externalFunc() + +define internal fastcc void @internalFunc() nounwind noinline { +entry: + %0 = load i32* @g, align 4 + %inc = add nsw i32 %0, 1 + store i32 %inc, i32* @g, align 4 + ret void +} + -- cgit v1.2.3