[NFC] Use stdin for some tests instead of positional argument.

[a.elovikov]

Summary

Otherwise unexpected matches with the path to the tests might happen.

[a.elovikov]

Ping.

[a.elovikov]

Ping.

[spatel]

Remove the '-o -' too?

Just curious: why only these files? The problem occurs in hundreds of tests from what I can tell. Shouldn't we fix all of them?

[a.elovikov]

• Remove "-o -" too.

[a.elovikov]

In D32994#793670, @spatel wrote:

Remove the '-o -' too?

Just curious: why only these files? The problem occurs in hundreds of tests from what I can tell. Shouldn't we fix all of them?

I have my compiler built in a cmplr/ directory which matches the CHECK-NOT: cmp check in these tests.

[spatel]

In D32994#793690, @a.elovikov wrote:

In D32994#793670, @spatel wrote:

Remove the '-o -' too?

Just curious: why only these files? The problem occurs in hundreds of tests from what I can tell. Shouldn't we fix all of them?

I have my compiler built in a cmplr/ directory which matches the CHECK-NOT: cmp check in these tests.

Ah, right...CHECK-NOT is a poor way to verify output. Note that at least some ARM/Thumb triples are supported by utils/update_llc_test_checks.py, so a good follow-up patch would be to remove the current CHECK lines and let the script add complete checking (with no CHECK-NOT).

LGTM.

llvm/test/CodeGen/ARM/long-setcc.ll

-; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
+; RUN: llc -mtriple=arm-eabi < %s -o - | FileCheck %s
 
 define i1 @t1(i64 %x) {
   %B = icmp slt i64 %x, 0
   ret i1 %B
 }
 
 define i1 @t2(i64 %x) {
   %tmp = icmp ult i64 %x, 4294967296

llvm/test/CodeGen/ARM/thumb2-it-block.ll

-; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
-; RUN: llc -mtriple=thumbv8 %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 < %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumbv8 < %s -o - | FileCheck %s
 ; PR11107
 
 define i32 @test(i32 %a, i32 %b) {
 entry:
  %cmp1 = icmp slt i32 %a, 0
  %sub1 = sub nsw i32 0, %a
  %abs1 = select i1 %cmp1, i32 %sub1, i32 %a
  %cmp2 = icmp slt i32 %b, 0

llvm/test/CodeGen/Thumb/long-setcc.ll

-; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumb-eabi < %s -o - | FileCheck %s
 
 define i1 @t1(i64 %x) {
   %B = icmp slt i64 %x, 0
   ret i1 %B
 }
 
 define i1 @t2(i64 %x) {
   %tmp = icmp ult i64 %x, 4294967296