[llvm] [NFC][SPIRV] Add a test documenting the passes in the SPIRV backend (PR #162057)

[Juan Manuel Martinez Caamaño via llvm-commits]

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@@ -0,0 +1,214 @@
+; UNSUPPORTED:expensive_checks
+; RUN:llc -O0 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-O0 %s
+; RUN:llc -O1 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+; RUN:llc -O2 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+; RUN:llc -O3 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+;
+; REQUIRES:asserts
+
+; SPIRV-O0:Target Library Information
+; SPIRV-O0-NEXT:Target Pass Configuration
+; SPIRV-O0-NEXT:Machine Module Information
+; SPIRV-O0-NEXT:Target Transform Information
+; SPIRV-O0-NEXT:Create Garbage Collector Module Metadata
+; SPIRV-O0-NEXT:Assumption Cache Tracker
+; SPIRV-O0-NEXT:Profile summary info
+; SPIRV-O0-NEXT:Machine Branch Probability Analysis
+; SPIRV-O0-NEXT:  ModulePass Manager
+; SPIRV-O0-NEXT:    Pre-ISel Intrinsic Lowering
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      Expand large div/rem
+; SPIRV-O0-NEXT:      Expand fp
+; SPIRV-O0-NEXT:      Lower Garbage Collection Instructions
+; SPIRV-O0-NEXT:      Shadow Stack GC Lowering
+; SPIRV-O0-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-O0-NEXT:      Instrument function entry/exit with calls to e.g. mcount() (post inlining)
+; SPIRV-O0-NEXT:      Scalarize Masked Memory Intrinsics
+; SPIRV-O0-NEXT:      Expand reduction intrinsics
+; SPIRV-O0-NEXT:      SPIR-V Regularizer
+; SPIRV-O0-NEXT:    SPIRV prepare functions
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      Lower invoke and unwind, for unwindless code generators
+; SPIRV-O0-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-O0-NEXT:      SPIRV strip convergent intrinsics
+; SPIRV-O0-NEXT:    Unnamed pass: implement Pass::getPassName()
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jmmartinez wrote:

<3

https://github.com/llvm/llvm-project/pull/162057