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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-31 18:37:55 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-31 18:37:55 +0000 |
| commit | 497204a94b6ebe94b0cc9b9ef11eee7baf1df53b (patch) | |
| tree | 65cace6203c0e12c77a630fbf7decd274b942de5 /test/CodeGen/Mips | |
| parent | b586aae15edfec655ca0d950776e92cab66516b6 (diff) | |
| download | external_llvm-497204a94b6ebe94b0cc9b9ef11eee7baf1df53b.zip external_llvm-497204a94b6ebe94b0cc9b9ef11eee7baf1df53b.tar.gz external_llvm-497204a94b6ebe94b0cc9b9ef11eee7baf1df53b.tar.bz2 | |
[mips] Set isAsCheapAsAMove flag on ADDiu and DADDiu, which enables
re-materialization of immediate loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167153 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips')
| -rw-r--r-- | test/CodeGen/Mips/remat-immed-load.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/remat-immed-load.ll b/test/CodeGen/Mips/remat-immed-load.ll new file mode 100644 index 0000000..e4548f8 --- /dev/null +++ b/test/CodeGen/Mips/remat-immed-load.ll @@ -0,0 +1,26 @@ +; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=32 +; RUN: llc -march=mips64el -mcpu=mips64 -mattr=n64 < %s | FileCheck %s -check-prefix=64 + +define void @f0() nounwind { +entry: +; 32: addiu $4, $zero, 1 +; 32: addiu $4, $zero, 1 + + tail call void @foo1(i32 1) nounwind + tail call void @foo1(i32 1) nounwind + ret void +} + +declare void @foo1(i32) + +define void @f3() nounwind { +entry: +; 64: daddiu $4, $zero, 1 +; 64: daddiu $4, $zero, 1 + + tail call void @foo2(i64 1) nounwind + tail call void @foo2(i64 1) nounwind + ret void +} + +declare void @foo2(i64) |