Fix the prefetch test.

Author: rlavaee

llvm/test/CodeGen/X86/prefetch-symbols.ll

@@ -1,12 +1,14 @@
-;; Check that specifying the function in the basic block sections profile
-;; without any other directives is a noop.
+;; Check prefetch directives in basic block section profiles.
 ;;
 ;; Specify the bb sections profile:
 ; RUN: echo 'v1' > %t
 ; RUN: echo 'f _Z3foob' >> %t
 ; RUN: echo 't 0@0' >> %t
+; RUN: echo 't 1@0' >> %t
+; RUN: echo 't 1@1' >> %t
+; RUN: echo 't 2@1' >> %t
 ;;
-; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t  | FileCheck
+; RUN: llc < %s -mtriple=x86_64-pc-linux -asm-verbose=false -function-sections -basic-block-sections=%t  | FileCheck %s
 
 define i32 @_Z3foob(i1 zeroext %0) nounwind {
   %2 = alloca i32, align 4
@@ -18,16 +20,27 @@ define i32 @_Z3foob(i1 zeroext %0) nounwind {
   %7 = zext i1 %6 to i32
   %8 = icmp sgt i32 %7, 0
   br i1 %8, label %9, label %11
+; CHECK:      _Z3foob:
+; CHECK-NEXT:   .globl __llvm_prefetch_target__Z3foob_0_0
+; CHECK-NEXT: __llvm_prefetch_target__Z3foob_0_0:
 
 9:                                                ; preds = %1
   %10 = call i32 @_Z3barv()
   store i32 %10, ptr %2, align 4
   br label %13
+; CHECK:        .globl __llvm_prefetch_target__Z3foob_1_0
+; CHECK-NEXT: __llvm_prefetch_target__Z3foob_1_0:
+; CHECK-NEXT:   callq _Z3barv@PLT
+; CHECK-NEXT:   .globl __llvm_prefetch_target__Z3foob_1_1
+; CHECK-NEXT: __llvm_prefetch_target__Z3foob_1_1:
 
 11:                                               ; preds = %1
   %12 = call i32 @_Z3bazv()
   store i32 %12, ptr %2, align 4
   br label %13
+; CHECK:        callq _Z3bazv@PLT
+; CHECK-NEXT:   .globl __llvm_prefetch_target__Z3foob_2_1
+; CHECK-NEXT: __llvm_prefetch_target__Z3foob_2_1:
 
 13:                                               ; preds = %11, %9
   %14 = load i32, ptr %2, align 4
@@ -36,7 +49,3 @@ define i32 @_Z3foob(i1 zeroext %0) nounwind {
 
 declare i32 @_Z3barv() #1
 declare i32 @_Z3bazv() #1
-
-
-; CHECK: _Z3foob
-; CHECK: llvm_prefetch_target