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| 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 | cf9a61b6eeb12d647b484cbc6eb09d4ca1ca8bb0 (patch) | |
| tree | 98974db7953a572f333107add4d211cde7a890fe /llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll | |
| parent | 536cc32ba051fbadeb0f6929b0270427330e4152 (diff) | |
| download | bcm5719-llvm-cf9a61b6eeb12d647b484cbc6eb09d4ca1ca8bb0.tar.gz bcm5719-llvm-cf9a61b6eeb12d647b484cbc6eb09d4ca1ca8bb0.zip | |
[mips] Do not copy GOT address to register $gp if the function being called has
internal linkage.
llvm-svn: 170092
Diffstat (limited to 'llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll')
| -rw-r--r-- | llvm/test/CodeGen/Mips/gpreg-lazy-binding.ll | 27 |
1 files changed, 27 insertions, 0 deletions
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 +} + |
