[clang] [CodeGen] Use data layout aware constant folder in CGBuilder (PR #184819)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-armv8-quick` running on `linaro-clang-armv8-quick` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/154/builds/28674

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

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'Clang :: CodeGen/volatile-1.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/lib/clang/23/include -nostdsysteminc -Wno-return-type -Wno-unused-value -emit-llvm /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c -w -o - | /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c
# executed command: /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/lib/clang/23/include -nostdsysteminc -Wno-return-type -Wno-unused-value -emit-llvm /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c -w -o -
# executed command: /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c
# .---command stderr------------
# | /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c:30:17: error: CHECK-NEXT: expected string not found in input
# |  // CHECK-NEXT: load volatile [[INT]], ptr getelementptr inbounds nuw (i8, ptr @ci, i64 4), align [[ALIGN_GEP:[0-9]+]]
# |                 ^
# | <stdin>:24:48: note: scanning from here
# |  %ci.real = load volatile i32, ptr @ci, align 4
# |                                                ^
# | <stdin>:24:48: note: with "INT" equal to "i32"
# |  %ci.real = load volatile i32, ptr @ci, align 4
# |                                                ^
# | <stdin>:25:13: note: possible intended match here
# |  %ci.imag = load volatile i32, ptr getelementptr inbounds nuw (i8, ptr @ci, i32 4), align 4
# |             ^
# | 
# | Input file: <stdin>
# | Check file: /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/clang/test/CodeGen/volatile-1.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            .
# |            .
# |            .
# |           19: define dso_local void @test() #0 { 
# |           20: entry: 
# |           21:  %agg.tmp.ensured = alloca %struct.S, align 4 
# |           22:  %agg.tmp.ensured47 = alloca %struct.S, align 4 
# |           23:  %0 = load volatile i32, ptr @i, align 4 
# |           24:  %ci.real = load volatile i32, ptr @ci, align 4 
# | next:30'0                                                    X error: no match found
# | next:30'1                                                      with "INT" equal to "i32"
# |           25:  %ci.imag = load volatile i32, ptr getelementptr inbounds nuw (i8, ptr @ci, i32 4), align 4 
# | next:30'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:30'2                 ?                                                                                possible intended match
# |           26:  %conv = sitofp i32 %ci.real to float 
# | next:30'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           27:  %ci.real1 = load volatile i32, ptr @ci, align 4 
# | next:30'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           28:  %ci.imag2 = load volatile i32, ptr getelementptr inbounds nuw (i8, ptr @ci, i32 4), align 4 
# | next:30'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/184819