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authorSimon Pilgrim <llvm-dev@redking.me.uk>2018-01-19 12:06:49 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2018-01-19 12:06:49 +0000
commit852abd1ab65f223335ff00da25b75db989b5bf86 (patch)
treef4e1eea68d91ff835ee1f02f602b8b8a7d88d6ab
parent9b839ef354c280991e5eda88f433fc27798ecaf6 (diff)
downloadbcm5719-llvm-852abd1ab65f223335ff00da25b75db989b5bf86.tar.gz
bcm5719-llvm-852abd1ab65f223335ff00da25b75db989b5bf86.zip
[X86] Add RDPID schedule test
llvm-svn: 322938
-rw-r--r--llvm/test/CodeGen/X86/rdpid-schedule.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/rdpid-schedule.ll b/llvm/test/CodeGen/X86/rdpid-schedule.ll
new file mode 100644
index 00000000000..99042f4116b
--- /dev/null
+++ b/llvm/test/CodeGen/X86/rdpid-schedule.ll
@@ -0,0 +1,20 @@
+; 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=+rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=icelake | FileCheck %s --check-prefix=CHECK --check-prefix=ICELAKE
+
+define i32 @test_rdpid() {
+; GENERIC-LABEL: test_rdpid:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: rdpid %rax # sched: [100:0.33]
+; GENERIC-NEXT: # kill: def %eax killed %eax killed %rax
+; GENERIC-NEXT: retq # sched: [1:1.00]
+;
+; ICELAKE-LABEL: test_rdpid:
+; ICELAKE: # %bb.0:
+; ICELAKE-NEXT: rdpid %rax # sched: [100:0.25]
+; ICELAKE-NEXT: # kill: def %eax killed %eax killed %rax
+; ICELAKE-NEXT: retq # sched: [7:1.00]
+ %1 = tail call i32 @llvm.x86.rdpid()
+ ret i32 %1
+}
+declare i32 @llvm.x86.rdpid()
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