commit 8f9f8210c1f4846e70642595aab81e527dc5336c
author Alexei Starovoitov <alexei.starovoitov@gmail.com> Fri Nov 18 02:32:35 2016 +0000
committer Alexei Starovoitov <alexei.starovoitov@gmail.com> Fri Nov 18 02:32:35 2016 +0000
tree 2ead9a7b483faa203c4bbcd7ffced8616ff496c8
parent faad4c30fa4ebf2d766944b558a38f15695ebe1b

convert bpf assembler to look like kernel verifier output

since bpf instruction set was introduced people learned to
read and understand kernel verifier output whereas llvm asm
output stayed obscure and unknown. Convert llvm to emit
assembler text similar to kernel to avoid this discrepancy

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
llvm-svn: 287300

llvm/test/CodeGen/BPF/cc_ret.ll

diff --git a/llvm/test/CodeGen/BPF/cc_ret.ll b/llvm/test/CodeGen/BPF/cc_ret.ll
index 0957492..7bd01ad 100644
--- a/llvm/test/CodeGen/BPF/cc_ret.ll
+++ b/llvm/test/CodeGen/BPF/cc_ret.ll
@@ -5,17 +5,17 @@
 ; CHECK: test:
 
 ; CHECK: call f_i16
-; CHECK: sth 0(r1), r0
+; CHECK: *(u16 *)(r1 + 0) = r0
   %0 = call i16 @f_i16()
   store volatile i16 %0, i16* @g_i16
 
 ; CHECK: call f_i32
-; CHECK: stw 0(r1), r0
+; CHECK: *(u32 *)(r1 + 0) = r0
   %1 = call i32 @f_i32()
   store volatile i32 %1, i32* @g_i32
 
 ; CHECK: call f_i64
-; CHECK: std 0(r1), r0
+; CHECK: *(u64 *)(r1 + 0) = r0
   %2 = call i64 @f_i64()
   store volatile i64 %2, i64* @g_i64
 
@@ -28,21 +28,21 @@
 
 define i16 @f_i16() #0 {
 ; CHECK: f_i16:
-; CHECK: mov r0, 1
-; CHECK: ret
+; CHECK: r0 = 1
+; CHECK: exit
   ret i16 1
 }
 
 define i32 @f_i32() #0 {
 ; CHECK: f_i32:
-; CHECK: mov r0, 16909060
-; CHECK: ret
+; CHECK: r0 = 16909060
+; CHECK: exit
   ret i32 16909060
 }
 
 define i64 @f_i64() #0 {
 ; CHECK: f_i64:
-; CHECK: ld_64 r0, 72623859790382856
-; CHECK: ret
+; CHECK: r0 = 72623859790382856ll
+; CHECK: exit
   ret i64 72623859790382856
 }