[llvm] [X86][AArch64][SPIRV] add more tests for `ldexp`/`frexp` (PR #208462)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 178606 tests passed
* 3582 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### LLVM
<details>
<summary>LLVM.CodeGen/X86/float-to-arbitrary-fp.ll</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll -mtriple=x86_64-unknown-unknown | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=x86_64-unknown-unknown
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll:1861:15: error: CHECK-NEXT: expected string not found in input
# | ; CHECK-NEXT: subq $72, %rsp
# |               ^
# | <stdin>:1947:24: note: scanning from here
# |  .cfi_def_cfa_offset 56
# |                        ^
# | <stdin>:1948:2: note: possible intended match here
# |  subq $88, %rsp
# |  ^
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll:2105:15: error: CHECK-NEXT: expected string not found in input
# | ; CHECK-NEXT: movaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
# |               ^
# | <stdin>:2174:23: note: scanning from here
# |  .cfi_offset %rbp, -16
# |                       ^
# | <stdin>:2175:2: note: possible intended match here
# |  movdqa %xmm0, 16(%rsp) # 16-byte Spill
# |  ^
# | 
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/float-to-arbitrary-fp.ll
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |              .
# |              .
# |              .
# |           1942:  pushq %r13 
# |           1943:  .cfi_def_cfa_offset 40 
# |           1944:  pushq %r12 
# |           1945:  .cfi_def_cfa_offset 48 
# |           1946:  pushq %rbx 
# |           1947:  .cfi_def_cfa_offset 56 
# | next:1861'0                           {   search range start (exclusive)
# | next:1861'1                               error: no match found in search range
# |           1948:  subq $88, %rsp 
# | next:1861'2      ?                possible intended match
# |           1949:  .cfi_def_cfa_offset 144 
# |           1950:  .cfi_offset %rbx, -56 
# |           1951:  .cfi_offset %r12, -48 
# |           1952:  .cfi_offset %r13, -40 
# |           1953:  .cfi_offset %r14, -32 
# |              .
# |              .
# |              .
# |           2156:  .long 0x7f800000 # float +Inf 
# |           2157:  .text 
# |           2158:  .globl to_f8e5m2_from_f16 
# |           2159:  .prefalign 4, .Lfunc_end9, nop 
# |           2160:  .type to_f8e5m2_from_f16, at function 
# |           2161: to_f8e5m2_from_f16: # @to_f8e5m2_from_f16 
# | next:1861'3                        }                        search range end (exclusive)
# |           2162:  .cfi_startproc 
# |           2163: # %bb.0: 
# |           2164:  pushq %rbp 
# |           2165:  .cfi_def_cfa_offset 16 
# |           2166:  pushq %r14 
# |           2167:  .cfi_def_cfa_offset 24 
# |           2168:  pushq %rbx 
# |           2169:  .cfi_def_cfa_offset 32 
# |           2170:  subq $32, %rsp 
# |           2171:  .cfi_def_cfa_offset 64 
# |           2172:  .cfi_offset %rbx, -32 
# |           2173:  .cfi_offset %r14, -24 
# |           2174:  .cfi_offset %rbp, -16 
# | next:2105'0                          {   search range start (exclusive)
# | next:2105'1                              error: no match found in search range
# |           2175:  movdqa %xmm0, 16(%rsp) # 16-byte Spill 
# | next:2105'2      ?                                        possible intended match
# |           2176:  callq __extendhfsf2 at PLT 
# |           2177:  movd %xmm0, 8(%rsp) # 4-byte Folded Spill 
# |           2178:  leaq 12(%rsp), %rdi 
# |           2179:  callq frexpf at PLT 
# |           2180:  movl 12(%rsp), %r14d 
# |              .
# |              .
# |              .
# |           2298:  .long 0x7f800000 # float +Inf 
# |           2299:  .text 
# |           2300:  .globl to_f8e5m2_from_bf16 
# |           2301:  .prefalign 4, .Lfunc_end10, nop 
# |           2302:  .type to_f8e5m2_from_bf16, at function 
# |           2303: to_f8e5m2_from_bf16: # @to_f8e5m2_from_bf16 
# | next:2105'3                         }                         search range end (exclusive)
# |           2304:  .cfi_startproc 
# |           2305: # %bb.0: 
# |           2306:  pushq %rbx 
# |           2307:  .cfi_def_cfa_offset 16 
# |           2308:  subq $32, %rsp 
# |              .
# |              .
# |              .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/208462