[llvm] [DAGCombiner] Fold pattern for srl-shl-zext (PR #138290)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-x86_64-debian-fast` running on `gribozavr4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/56/builds/25842

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/NVPTX/shift-opt.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/b/1/clang-x86_64-debian-fast/llvm.obj/bin/llc < /b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll -mtriple=nvptx64 | /b/1/clang-x86_64-debian-fast/llvm.obj/bin/FileCheck /b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll # RUN: at line 1
+ /b/1/clang-x86_64-debian-fast/llvm.obj/bin/llc -mtriple=nvptx64
+ /b/1/clang-x86_64-debian-fast/llvm.obj/bin/FileCheck /b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll
/b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll:9:10: error: CHECK: expected string not found in input
; CHECK: ld.param.u64 %[[X:rd[0-9]+]], [test_or_param_0];
         ^
<stdin>:9:19: note: scanning from here
 // .globl test_or // -- Begin function test_or
                  ^
<stdin>:24:2: note: possible intended match here
 ld.param.b64 %rd1, [test_or_param_0];
 ^
/b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll:28:10: error: CHECK: expected string not found in input
; CHECK: ld.param.u64 %[[X:rd[0-9]+]], [test_xor_param_0];
         ^
<stdin>:32:20: note: scanning from here
 // .globl test_xor // -- Begin function test_xor
                   ^
<stdin>:41:2: note: possible intended match here
 ld.param.b64 %rd1, [test_xor_param_0];
 ^
/b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll:47:10: error: CHECK: expected string not found in input
; CHECK: ld.param.u64 %[[X:rd[0-9]+]], [test_and_param_0];
         ^
<stdin>:49:20: note: scanning from here
 // .globl test_and // -- Begin function test_and
                   ^
<stdin>:58:2: note: possible intended match here
 ld.param.b64 %rd1, [test_and_param_0];
 ^
/b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll:67:10: error: CHECK: expected string not found in input
; CHECK: ld.param.u32 %[[X:r[0-9]+]], [test_vec_param_0];
         ^
<stdin>:66:20: note: scanning from here
 // .globl test_vec // -- Begin function test_vec
                   ^
<stdin>:76:2: note: possible intended match here
 ld.param.b32 %r1, [test_vec_param_0];
 ^
/b/1/clang-x86_64-debian-fast/llvm.src/llvm/test/CodeGen/NVPTX/shift-opt.ll:90:10: error: CHECK: expected string not found in input
; CHECK: ld.param.u64 %[[X:rd[0-9]+]], [test_negative_c_param_0];
         ^
<stdin>:88:27: note: scanning from here
 // .globl test_negative_c // -- Begin function test_negative_c
                          ^
...

```

</details>

https://github.com/llvm/llvm-project/pull/138290