Fix test

Author: AnastasiyaChernikova

llvm/test/tools/llvm-exegesis/RISCV/latency-by-load.s

@@ -1,57 +1,57 @@
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LD |& FileCheck --check-prefix=TEST1 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LD 2>&1 | FileCheck --check-prefix=TEST1 %s
 
 TEST1:      ---
 TEST1-NEXT: mode: latency
 TEST1-NEXT: key:
 TEST1-NEXT:   instructions:
 TEST1-NEXT:     - 'LD X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LW |& FileCheck --check-prefix=TEST2 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LW 2>&1 | FileCheck --check-prefix=TEST2 %s
 
 TEST2:      ---
 TEST2-NEXT: mode: latency
 TEST2-NEXT: key:
 TEST2-NEXT:   instructions:
 TEST2-NEXT:     - 'LW X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LH |& FileCheck --check-prefix=TEST3 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LH 2>&1 | FileCheck --check-prefix=TEST3 %s
 
 TEST3:      ---
 TEST3-NEXT: mode: latency
 TEST3-NEXT: key:
 TEST3-NEXT:   instructions:
 TEST3-NEXT:     - 'LH X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LWU |& FileCheck --check-prefix=TEST4 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LWU 2>&1 | FileCheck --check-prefix=TEST4 %s
 
 TEST4:      ---
 TEST4-NEXT: mode: latency
 TEST4-NEXT: key:
 TEST4-NEXT:   instructions:
 TEST4-NEXT:     - 'LWU X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LBU |& FileCheck --check-prefix=TEST5 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LBU 2>&1 | FileCheck --check-prefix=TEST5 %s
 
 TEST5:      ---
 TEST5-NEXT: mode: latency
 TEST5-NEXT: key:
 TEST5-NEXT:   instructions:
 TEST5-NEXT:     - 'LBU X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LUI |& FileCheck --check-prefix=TEST6 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LUI 2>&1 | FileCheck --check-prefix=TEST6 %s
 
 TEST6: LUI: No strategy found to make the execution serial
 
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LB |& FileCheck --check-prefix=TEST7 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -opcode-name=LB 2>&1 | FileCheck --check-prefix=TEST7 %s
 
 TEST7:      ---
 TEST7-NEXT: mode: latency
 TEST7-NEXT: key:
 TEST7-NEXT:   instructions:
 TEST7-NEXT:     - 'LB X10 X10 i_0x0'
 
-# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -mattr=+a -opcode-name=LR_W_RL |& FileCheck --check-prefix=TEST8 %s
+# RUN: llvm-exegesis -mode=latency --benchmark-phase=assemble-measured-code -mtriple=riscv64-unknown-linux-gnu --mcpu=generic -mattr=+a -opcode-name=LR_W_RL 2>&1 | FileCheck --check-prefix=TEST8 %s
 
 TEST8:      ---
 TEST8-NEXT: mode: latency