[x86] Clean up a bunch of vector shuffle tests with my script. Notably,

[oota-llvm.git] / test / CodeGen / X86 / rdtsc.ll

diff --git a/test/CodeGen/X86/rdtsc.ll b/test/CodeGen/X86/rdtsc.ll
index 289224ea2682910cca58baa7b762f708a463b8fd..dba614ad104ece72445370a81d989a5394a0d5ed 100644 (file)
--- a/test/CodeGen/X86/rdtsc.ll
+++ b/test/CodeGen/X86/rdtsc.ll
@@ -1,10 +1,49 @@
-; RUN: llvm-as < %s | llc -march=x86 | grep rptsc
+; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s
+; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86
 
-declare ulong %llvm.readcyclecounter()
+; Verify that we correctly lower ISD::READCYCLECOUNTER.
 
-void %foo() {
-entry:
-%tmp.1 = call ulong %llvm.readcyclecounter ()
-ret void
+
+define i64 @test_builtin_readcyclecounter() {
+  %1 = tail call i64 @llvm.readcyclecounter()
+  ret i64 %1
+}
+; CHECK-LABEL: test_builtin_readcyclecounter
+; CHECK: rdtsc
+; X86-NOT: shlq
+; X86-NOT: or
+; CHECK-NOT: mov
+; CHECK: ret
+
+
+; Verify that we correctly lower the Read Cycle Counter GCC x86 builtins
+; (i.e. RDTSC and RDTSCP).
+
+define i64 @test_builtin_rdtsc() {
+  %1 = tail call i64 @llvm.x86.rdtsc()
+  ret i64 %1
 }
+; CHECK-LABEL: test_builtin_rdtsc
+; CHECK: rdtsc
+; X86-NOT: shlq
+; X86-NOT: or
+; CHECK-NOT: mov
+; CHECK: ret
+
+
+define i64 @test_builtin_rdtscp(i8* %A) {
+  %1 = tail call i64 @llvm.x86.rdtscp(i8* %A)
+  ret i64 %1
+}
+; CHECK-LABEL: test_builtin_rdtscp
+; CHECK: rdtscp
+; X86-NOT: shlq
+; CHECK:   movl        %ecx, (%{{[a-z0-9]+}})
+; X86-NOT: shlq
+; CHECK: ret
+
+
+declare i64 @llvm.readcyclecounter()
+declare i64 @llvm.x86.rdtscp(i8*)
+declare i64 @llvm.x86.rdtsc()