mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-10 01:10:48 +00:00
23 lines
577 B
LLVM
23 lines
577 B
LLVM
|
; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64
|
||
|
|
; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86
|
||
|
|
|
||
|
|
; Verify that we correctly lower the "Read Performance-Monitoring Counters"
|
||
|
|
; x86 builtin.
|
||
|
|
|
||
|
|
|
||
|
|
define i64 @test_builtin_read_pmc(i32 %ID) {
|
||
|
|
%1 = tail call i64 @llvm.x86.rdpmc(i32 %ID)
|
||
|
|
ret i64 %1
|
||
|
|
}
|
||
|
|
; CHECK-LABEL: test_builtin_read_pmc
|
||
|
|
; CHECK: rdpmc
|
||
|
|
; X86-NOT: shlq
|
||
|
|
; X86-NOT: or
|
||
|
|
; X86-64: shlq
|
||
|
|
; X86-64: or
|
||
|
|
; CHECK-NOT: mov
|
||
|
|
; CHECK: ret
|
||
|
|
|
||
|
|
declare i64 @llvm.x86.rdpmc(i32 %ID)
|
||
|
|
|