blob: 7f1ca469c0b62d8b30702a097fbdeefa2963cebf (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
; 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)
|