[llvm] [ConstantFolding] Add edge cases for llvm.log{, 2, 10} (PR #173304)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 22 12:45:50 PST 2025
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 167397 tests passed
* 2968 tests skipped
* 3 tests failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.CodeGen/AMDGPU/llvm.log.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log.ll:5692:17: error: SI-SDAG-NEXT: expected string not found in input
# | ; SI-SDAG-NEXT: v_log_f32_e32 v0, 0
# | ^
# | <stdin>:1614:41: note: scanning from here
# | s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | ^
# | <stdin>:1615:2: note: possible intended match here
# | v_mov_b32_e32 v0, 0xff800000
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 1609: .globl v_log_f32_0 ; -- Begin function v_log_f32_0
# | 1610: .p2align 2
# | 1611: .type v_log_f32_0, at function
# | 1612: v_log_f32_0: ; @v_log_f32_0
# | 1613: ; %bb.0:
# | 1614: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | next:5692'0 X error: no match found
# | 1615: v_mov_b32_e32 v0, 0xff800000
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:5692'1 ? possible intended match
# | 1616: s_setpc_b64 s[30:31]
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 1617: .Lfunc_end27:
# | next:5692'0 ~~~~~~~~~~~~~~
# | 1618: .size v_log_f32_0, .Lfunc_end27-v_log_f32_0
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 1619: ; -- End function
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~
# | 1620: .set v_log_f32_0.num_vgpr, 1
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/AMDGPU/llvm.log10.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log10.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log10.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log10.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log10.ll:5692:17: error: SI-SDAG-NEXT: expected string not found in input
# | ; SI-SDAG-NEXT: v_log_f32_e32 v0, 0
# | ^
# | <stdin>:1614:41: note: scanning from here
# | s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | ^
# | <stdin>:1615:2: note: possible intended match here
# | v_mov_b32_e32 v0, 0xff800000
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log10.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 1609: .globl v_log10_f32_0 ; -- Begin function v_log10_f32_0
# | 1610: .p2align 2
# | 1611: .type v_log10_f32_0, at function
# | 1612: v_log10_f32_0: ; @v_log10_f32_0
# | 1613: ; %bb.0:
# | 1614: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | next:5692'0 X error: no match found
# | 1615: v_mov_b32_e32 v0, 0xff800000
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:5692'1 ? possible intended match
# | 1616: s_setpc_b64 s[30:31]
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 1617: .Lfunc_end27:
# | next:5692'0 ~~~~~~~~~~~~~~
# | 1618: .size v_log10_f32_0, .Lfunc_end27-v_log10_f32_0
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 1619: ; -- End function
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~
# | 1620: .set v_log10_f32_0.num_vgpr, 1
# | next:5692'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/AMDGPU/llvm.log2.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log2.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log2.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX689,SI,GFX689-SDAG,SI-SDAG /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log2.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log2.ll:3447:21: error: GFX689-SDAG-NEXT: expected string not found in input
# | ; GFX689-SDAG-NEXT: v_log_f32_e32 v0, 0
# | ^
# | <stdin>:1377:41: note: scanning from here
# | s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | ^
# | <stdin>:1378:2: note: possible intended match here
# | v_mov_b32_e32 v0, 0xff800000
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.log2.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 1372: .globl v_log2_f32_0 ; -- Begin function v_log2_f32_0
# | 1373: .p2align 2
# | 1374: .type v_log2_f32_0, at function
# | 1375: v_log2_f32_0: ; @v_log2_f32_0
# | 1376: ; %bb.0:
# | 1377: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
# | next:3447'0 X error: no match found
# | 1378: v_mov_b32_e32 v0, 0xff800000
# | next:3447'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:3447'1 ? possible intended match
# | 1379: s_setpc_b64 s[30:31]
# | next:3447'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 1380: .Lfunc_end27:
# | next:3447'0 ~~~~~~~~~~~~~~
# | 1381: .size v_log2_f32_0, .Lfunc_end27-v_log2_f32_0
# | next:3447'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 1382: ; -- End function
# | next:3447'0 ~~~~~~~~~~~~~~~~~~~
# | 1383: .set v_log2_f32_0.num_vgpr, 1
# | next:3447'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# 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/173304
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