| ; 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) | |