[llvm] r320815 - [X86] Add RTM schedule tests

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Dec 15 06:37:28 2017
New Revision: 320815

URL: http://llvm.org/viewvc/llvm-project?rev=320815&view=rev
Log:
[X86] Add RTM schedule tests

Added:
    llvm/trunk/test/CodeGen/X86/rtm-schedule.ll

Added: llvm/trunk/test/CodeGen/X86/rtm-schedule.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/rtm-schedule.ll?rev=320815&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/rtm-schedule.ll (added)
+++ llvm/trunk/test/CodeGen/X86/rtm-schedule.ll Fri Dec 15 06:37:28 2017
@@ -0,0 +1,61 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rtm | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skylake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE --check-prefix=SKL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE --check-prefix=SKX
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=cannonlake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE --check-prefix=CNL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=icelake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE --check-prefix=ICL
+
+define i32 @test_xbegin() nounwind uwtable {
+; GENERIC-LABEL: test_xbegin:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    xbegin .LBB0_2 # sched: [100:0.33]
+; GENERIC-NEXT:  # %bb.1:
+; GENERIC-NEXT:    movl $-1, %eax # sched: [1:0.33]
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+; GENERIC-NEXT:  .LBB0_2:
+; GENERIC-NEXT:    # XABORT DEF # sched: [100:0.33]
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; SKYLAKE-LABEL: test_xbegin:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    xbegin .LBB0_2 # sched: [100:0.25]
+; SKYLAKE-NEXT:  # %bb.1:
+; SKYLAKE-NEXT:    movl $-1, %eax # sched: [1:0.25]
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+; SKYLAKE-NEXT:  .LBB0_2:
+; SKYLAKE-NEXT:    # XABORT DEF # sched: [100:0.25]
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+  %1 = tail call i32 @llvm.x86.xbegin() nounwind
+  ret i32 %1
+}
+declare i32 @llvm.x86.xbegin() nounwind
+
+define void @test_xend() nounwind uwtable {
+; GENERIC-LABEL: test_xend:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    xend # sched: [100:0.33]
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; SKYLAKE-LABEL: test_xend:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    xend # sched: [100:0.25]
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+  tail call void @llvm.x86.xend() nounwind
+  ret void
+}
+declare void @llvm.x86.xend() nounwind
+
+define void @test_xabort() nounwind uwtable {
+; GENERIC-LABEL: test_xabort:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    xabort $2 # sched: [100:0.33]
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; SKYLAKE-LABEL: test_xabort:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    xabort $2 # sched: [100:0.25]
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+  tail call void @llvm.x86.xabort(i8 2)
+  ret void
+}
+declare void @llvm.x86.xabort(i8) nounwind