[llvm-branch-commits] [mlir] [mlir][arith] Add support for `arith.flush_denormals` emulation (PR #192660)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Apr 17 07:09:52 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 7830 tests passed
* 606 tests skipped
* 1 test failed
## Failed Tests
(click on a test name to see its output)
### MLIR
<details>
<summary>MLIR.Dialect/Arith/expand-flush-denormals.mlir</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/mlir-opt /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir -arith-expand-flush-denormals -split-input-file | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/mlir-opt /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir -arith-expand-flush-denormals -split-input-file
# 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/mlir/test/Dialect/Arith/expand-flush-denormals.mlir
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir:14:11: error: CHECK: expected string not found in input
# | // CHECK: %[[BITS:.+]] = arith.bitcast %[[ARG0]] : f32 to i32
# | ^
# | <stdin>:7:34: note: scanning from here
# | %c0_i32 = arith.constant 0 : i32
# | ^
# | <stdin>:7:34: note: with "ARG0" equal to "arg0"
# | %c0_i32 = arith.constant 0 : i32
# | ^
# | <stdin>:15:2: note: possible intended match here
# | %8 = arith.bitcast %7 : i32 to f32
# | ^
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir:40:11: error: CHECK: expected string not found in input
# | // CHECK: arith.bitcast %{{.*}} : bf16 to i16
# | ^
# | <stdin>:26:44: note: scanning from here
# | %c-32768_i16 = arith.constant -32768 : i16
# | ^
# | <stdin>:35:7: note: possible intended match here
# | %8 = arith.bitcast %7 : i16 to bf16
# | ^
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir:58:11: error: CHECK: expected string not found in input
# | // CHECK: arith.bitcast %{{.*}} : f16 to i16
# | ^
# | <stdin>:46:44: note: scanning from here
# | %c-32768_i16 = arith.constant -32768 : i16
# | ^
# | <stdin>:55:7: note: possible intended match here
# | %8 = arith.bitcast %7 : i16 to f16
# | ^
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir:75:11: error: CHECK: expected string not found in input
# | // CHECK: arith.bitcast %{{.*}} : f64 to i64
# | ^
# | <stdin>:66:72: note: scanning from here
# | %c-9223372036854775808_i64 = arith.constant -9223372036854775808 : i64
# | ^
# | <stdin>:75:7: note: possible intended match here
# | %8 = arith.bitcast %7 : i64 to f64
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/Dialect/Arith/expand-flush-denormals.mlir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | 1: module {
# | 2: func.func @flush_denormals_f32(%arg0: f32) -> f32 {
# | 3: %0 = arith.bitcast %arg0 : f32 to i32
# | 4: %c8388607_i32 = arith.constant 8388607 : i32
# | 5: %c2139095040_i32 = arith.constant 2139095040 : i32
# | 6: %c-2147483648_i32 = arith.constant -2147483648 : i32
# | 7: %c0_i32 = arith.constant 0 : i32
# | check:14'0 X error: no match found
# | check:14'1 with "ARG0" equal to "arg0"
# | 8: %1 = arith.andi %0, %c2139095040_i32 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 9: %2 = arith.cmpi eq, %1, %c0_i32 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 10: %3 = arith.andi %0, %c8388607_i32 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 11: %4 = arith.cmpi ne, %3, %c0_i32 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 12: %5 = arith.andi %2, %4 : i1
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 13: %6 = arith.andi %0, %c-2147483648_i32 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 14: %7 = arith.select %5, %6, %0 : i32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 15: %8 = arith.bitcast %7 : i32 to f32
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:14'2 ? possible intended match
# | 16: return %8 : f32
# | check:14'0 ~~~~~~~~~~~~~~~~~
# | 17: }
# | check:14'0 ~~~
# | 18: }
# | check:14'0 ~~
# | 19:
# | check:14'0 ~
# | 20: // -----
# | check:14'0 ~~~~~~~~~
# | 21: module {
# | check:14'0 ~~~~~~~~~
# | 22: func.func @flush_denormals_bf16(%arg0: bf16) -> bf16 {
# | check:14'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 23: %0 = arith.bitcast %arg0 : bf16 to i16
# | 24: %c127_i16 = arith.constant 127 : i16
# | 25: %c32640_i16 = arith.constant 32640 : i16
# | 26: %c-32768_i16 = arith.constant -32768 : i16
# | check:40'0 X error: no match found
# | 27: %c0_i16 = arith.constant 0 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 28: %1 = arith.andi %0, %c32640_i16 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 29: %2 = arith.cmpi eq, %1, %c0_i16 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 30: %3 = arith.andi %0, %c127_i16 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 31: %4 = arith.cmpi ne, %3, %c0_i16 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 32: %5 = arith.andi %2, %4 : i1
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 33: %6 = arith.andi %0, %c-32768_i16 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 34: %7 = arith.select %5, %6, %0 : i16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 35: %8 = arith.bitcast %7 : i16 to bf16
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:40'1 ? possible intended match
# | 36: return %8 : bf16
# | check:40'0 ~~~~~~~~~~~~~~~~~~
# | 37: }
# | check:40'0 ~~~
# | 38: }
# | check:40'0 ~~
# | 39:
# | check:40'0 ~
# | 40: // -----
# | check:40'0 ~~~~~~~~~
# | 41: module {
# | check:40'0 ~~~~~~~~~
# | 42: func.func @flush_denormals_f16(%arg0: f16) -> f16 {
# | check:40'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 43: %0 = arith.bitcast %arg0 : f16 to i16
# | 44: %c1023_i16 = arith.constant 1023 : i16
# | 45: %c31744_i16 = arith.constant 31744 : i16
# | 46: %c-32768_i16 = arith.constant -32768 : i16
# | check:58'0 X error: no match found
# | 47: %c0_i16 = arith.constant 0 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 48: %1 = arith.andi %0, %c31744_i16 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 49: %2 = arith.cmpi eq, %1, %c0_i16 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 50: %3 = arith.andi %0, %c1023_i16 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 51: %4 = arith.cmpi ne, %3, %c0_i16 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 52: %5 = arith.andi %2, %4 : i1
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 53: %6 = arith.andi %0, %c-32768_i16 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 54: %7 = arith.select %5, %6, %0 : i16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 55: %8 = arith.bitcast %7 : i16 to f16
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:58'1 ? possible intended match
# | 56: return %8 : f16
# | check:58'0 ~~~~~~~~~~~~~~~~~
# | 57: }
# | check:58'0 ~~~
# | 58: }
# | check:58'0 ~~
# | 59:
# | check:58'0 ~
# | 60: // -----
# | check:58'0 ~~~~~~~~~
# | 61: module {
# | check:58'0 ~~~~~~~~~
# | 62: func.func @flush_denormals_f64(%arg0: f64) -> f64 {
# | check:58'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 63: %0 = arith.bitcast %arg0 : f64 to i64
# | 64: %c4503599627370495_i64 = arith.constant 4503599627370495 : i64
# | 65: %c9218868437227405312_i64 = arith.constant 9218868437227405312 : i64
# | 66: %c-9223372036854775808_i64 = arith.constant -9223372036854775808 : i64
# | check:75'0 X error: no match found
# | 67: %c0_i64 = arith.constant 0 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 68: %1 = arith.andi %0, %c9218868437227405312_i64 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 69: %2 = arith.cmpi eq, %1, %c0_i64 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 70: %3 = arith.andi %0, %c4503599627370495_i64 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 71: %4 = arith.cmpi ne, %3, %c0_i64 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 72: %5 = arith.andi %2, %4 : i1
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 73: %6 = arith.andi %0, %c-9223372036854775808_i64 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 74: %7 = arith.select %5, %6, %0 : i64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 75: %8 = arith.bitcast %7 : i64 to f64
# | check:75'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:75'1 ? possible intended match
# | 76: return %8 : f64
# | check:75'0 ~~~~~~~~~~~~~~~~~
# | 77: }
# | check:75'0 ~~~
# | 78: }
# | check:75'0 ~~
# | 79:
# | check:75'0 ~
# | 80: // -----
# | check:75'0 ~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# 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/192660
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