| ; 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) |
| |
