| Andrea Di Biagio | 53b6830 | 2014-06-30 17:14:21 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64 |
| 2 | ; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86 |
| 3 | |
| 4 | ; Verify that we correctly lower the "Read Performance-Monitoring Counters" |
| 5 | ; x86 builtin. |
| 6 | |
| 7 | |
| 8 | define i64 @test_builtin_read_pmc(i32 %ID) { |
| 9 | %1 = tail call i64 @llvm.x86.rdpmc(i32 %ID) |
| 10 | ret i64 %1 |
| 11 | } |
| 12 | ; CHECK-LABEL: test_builtin_read_pmc |
| 13 | ; CHECK: rdpmc |
| 14 | ; X86-NOT: shlq |
| 15 | ; X86-NOT: or |
| 16 | ; X86-64: shlq |
| 17 | ; X86-64: or |
| 18 | ; CHECK-NOT: mov |
| 19 | ; CHECK: ret |
| 20 | |
| 21 | declare i64 @llvm.x86.rdpmc(i32 %ID) |
| 22 | |