diff options
| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-13 03:17:29 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-13 03:17:29 +0000 |
| commit | ed185daba7432e9df717f0199336889784b10da3 (patch) | |
| tree | a45330e77240820a09baa92a8ec52fc607b0046a /test/CodeGen | |
| parent | 8ad435fa4809b5a4ad1043435cbafd5c9ddf2d93 (diff) | |
[mips] Do not copy GOT address to register $gp if the function being called has
internal linkage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170092 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/Mips/gpreg-lazy-binding.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/gpreg-lazy-binding.ll b/test/CodeGen/Mips/gpreg-lazy-binding.ll new file mode 100644 index 0000000000..85d8d4b1db --- /dev/null +++ b/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 +} + |