forked from OSchip/llvm-project
21 lines
893 B
LLVM
21 lines
893 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=icelake | FileCheck %s --check-prefix=CHECK --check-prefix=ICELAKE
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define i32 @test_rdpid() {
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; GENERIC-LABEL: test_rdpid:
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; GENERIC: # %bb.0:
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; GENERIC-NEXT: rdpid %rax # sched: [100:0.33]
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; GENERIC-NEXT: # kill: def $eax killed $eax killed $rax
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; GENERIC-NEXT: retq # sched: [1:1.00]
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;
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; ICELAKE-LABEL: test_rdpid:
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; ICELAKE: # %bb.0:
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; ICELAKE-NEXT: rdpid %rax # sched: [100:0.25]
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; ICELAKE-NEXT: # kill: def $eax killed $eax killed $rax
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; ICELAKE-NEXT: retq # sched: [7:1.00]
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%1 = tail call i32 @llvm.x86.rdpid()
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ret i32 %1
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}
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declare i32 @llvm.x86.rdpid()
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