; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=generic | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=generic | FileCheck %s --check-prefix=X64 ; Verify that we correctly lower the "Read Performance-Monitoring Counters" ; x86 builtin. define i64 @test_builtin_read_pmc(i32 %ID) { ; X86-LABEL: test_builtin_read_pmc: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: rdpmc ; X86-NEXT: retl ; ; X64-LABEL: test_builtin_read_pmc: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %ecx ; X64-NEXT: rdpmc ; X64-NEXT: shlq $32, %rdx ; X64-NEXT: orq %rdx, %rax ; X64-NEXT: retq %1 = tail call i64 @llvm.x86.rdpmc(i32 %ID) ret i64 %1 } declare i64 @llvm.x86.rdpmc(i32 %ID)