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| author | Michael Liao <michael.liao@intel.com> | 2012-11-08 07:28:54 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2012-11-08 07:28:54 +0000 |
| commit | be02a90de17f857ba65bbd8a11653ca1bad30adc (patch) | |
| tree | ca8ccf2e856410b18f269335eb1b8ed98c1c1426 /test | |
| parent | 7629de3326318e533ab969abd1b0cbc569b3f3b7 (diff) | |
| download | llvm-be02a90de17f857ba65bbd8a11653ca1bad30adc.tar.gz llvm-be02a90de17f857ba65bbd8a11653ca1bad30adc.tar.bz2 llvm-be02a90de17f857ba65bbd8a11653ca1bad30adc.tar.xz | |
Add support of RTM from TSX extension
- Add RTM code generation support throught 3 X86 intrinsics:
xbegin()/xend() to start/end a transaction region, and xabort() to abort a
tranaction region
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167573 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/rtm.ll | 30 | ||||
| -rw-r--r-- | test/MC/X86/x86_64-rtm-encoding.s | 13 |
2 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/X86/rtm.ll b/test/CodeGen/X86/rtm.ll new file mode 100644 index 0000000000..76eb9514f0 --- /dev/null +++ b/test/CodeGen/X86/rtm.ll @@ -0,0 +1,30 @@ +; RUN: llc < %s -mattr=+rtm -mtriple=x86_64-unknown-unknown | FileCheck %s + +declare i32 @llvm.x86.xbegin() nounwind +declare void @llvm.x86.xend() nounwind +declare void @llvm.x86.xabort(i8) noreturn nounwind + +define i32 @test_xbegin() nounwind uwtable { +entry: + %0 = tail call i32 @llvm.x86.xbegin() nounwind + ret i32 %0 +; CHECK: test_xbegin +; CHECK: xbegin [[LABEL:.*BB.*]] +; CHECK: [[LABEL]]: +} + +define void @test_xend() nounwind uwtable { +entry: + tail call void @llvm.x86.xend() nounwind + ret void +; CHECK: test_xend +; CHECK: xend +} + +define void @test_xabort() nounwind uwtable { +entry: + tail call void @llvm.x86.xabort(i8 2) + unreachable +; CHECK: test_xabort +; CHECK: xabort $2 +} diff --git a/test/MC/X86/x86_64-rtm-encoding.s b/test/MC/X86/x86_64-rtm-encoding.s new file mode 100644 index 0000000000..44d6bacb7f --- /dev/null +++ b/test/MC/X86/x86_64-rtm-encoding.s @@ -0,0 +1,13 @@ +// RUN: llvm-mc -triple x86_64-unknown-unknown --show-encoding %s | FileCheck %s + +// CHECK: xbegin .L0 +// CHECK: encoding: [0xc7,0xf8,A,A,A,A] + xbegin .L0 + +// CHECK: xend +// CHECK: encoding: [0x0f,0x01,0xd5] + xend + +// CHECK: xabort +// CHECK: encoding: [0xc6,0xf8,0x0d] + xabort $13 |