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@topperc topperc commented Sep 5, 2025

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llvmbot commented Sep 5, 2025

@llvm/pr-subscribers-backend-risc-v

Author: Craig Topper (topperc)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/157185.diff

1 Files Affected:

  • (modified) llvm/lib/Target/RISCV/RISCVInstrInfoSFB.td (+79-137)
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoSFB.td b/llvm/lib/Target/RISCV/RISCVInstrInfoSFB.td
index 32f533b8f1146..f732ab13e5f88 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoSFB.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoSFB.td
@@ -44,153 +44,95 @@ def PseudoCCMOVGPRNoX0 : Pseudo<(outs GPRNoX0:$dst),
                          Sched<[]>;
 }
 
+class SFBALU_rr
+    : Pseudo<(outs GPR:$dst),
+             (ins GPR:$lhs, GPR:$rhs, cond_code:$cc, GPR:$falsev, GPR:$rs1,
+                  GPR:$rs2), []>,
+      Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU, ReadSFBALU,
+             ReadSFBALU]> {
+  let hasSideEffects = 0;
+  let mayLoad = 0;
+  let mayStore = 0;
+  let Size = 8;
+  let Constraints = "$dst = $falsev";
+}
+
+class SFBALU_ri
+    : Pseudo<(outs GPR:$dst),
+             (ins GPR:$lhs, GPR:$rhs, cond_code:$cc, GPR:$falsev, GPR:$rs1,
+                  simm12:$imm), []>,
+      Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU, ReadSFBALU]> {
+  let hasSideEffects = 0;
+  let mayLoad = 0;
+  let mayStore = 0;
+  let Size = 8;
+  let Constraints = "$dst = $falsev";
+}
+
+class SFBShift_ri
+    : Pseudo<(outs GPR:$dst),
+             (ins GPR:$lhs, GPR:$rhs, cond_code:$cc, GPR:$falsev, GPR:$rs1,
+                  uimmlog2xlen:$imm), []>,
+      Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU, ReadSFBALU]> {
+  let hasSideEffects = 0;
+  let mayLoad = 0;
+  let mayStore = 0;
+  let Size = 8;
+  let Constraints = "$dst = $falsev";
+}
+
+class SFBShiftW_ri
+    : Pseudo<(outs GPR:$dst),
+             (ins GPR:$lhs, GPR:$rhs, cond_code:$cc, GPR:$falsev, GPR:$rs1,
+                  uimm5:$imm), []>,
+      Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU, ReadSFBALU]> {
+  let hasSideEffects = 0;
+  let mayLoad = 0;
+  let mayStore = 0;
+  let Size = 8;
+  let Constraints = "$dst = $falsev";
+}
+
 // Conditional binops, that updates update $dst to (op rs1, rs2) when condition
 // is true. Returns $falsev otherwise. Selected by optimizeSelect.
 // TODO: Can we use DefaultOperands on the regular binop to accomplish this more
 // like how ARM does predication?
-let Predicates = [HasShortForwardBranchOpt], hasSideEffects = 0,
-    mayLoad = 0, mayStore = 0, Size = 8, Constraints = "$dst = $falsev" in {
-def PseudoCCADD : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSUB : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSLL : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                         ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSRL : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                         ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSRA : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                         ReadSFBALU, ReadSFBALU]>;
-def PseudoCCAND : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCOR  : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCXOR : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
+let Predicates = [HasShortForwardBranchOpt] in {
+def PseudoCCADD : SFBALU_rr;
+def PseudoCCSUB : SFBALU_rr;
+def PseudoCCSLL : SFBALU_rr;
+def PseudoCCSRL : SFBALU_rr;
+def PseudoCCSRA : SFBALU_rr;
+def PseudoCCAND : SFBALU_rr;
+def PseudoCCOR  : SFBALU_rr;
+def PseudoCCXOR : SFBALU_rr;
 
-def PseudoCCADDI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, simm12:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCSLLI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, uimmlog2xlen:$shamt), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCSRLI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, uimmlog2xlen:$shamt), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCSRAI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, uimmlog2xlen:$shamt), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCANDI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, simm12:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCORI  : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, simm12:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
-def PseudoCCXORI : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, simm12:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU]>;
+def PseudoCCADDI : SFBALU_ri;
+def PseudoCCANDI : SFBALU_ri;
+def PseudoCCORI  : SFBALU_ri;
+def PseudoCCXORI : SFBALU_ri;
+
+def PseudoCCSLLI : SFBShift_ri;
+def PseudoCCSRLI : SFBShift_ri;
+def PseudoCCSRAI : SFBShift_ri;
 
 // RV64I instructions
-def PseudoCCADDW : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                          ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSUBW : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                          ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSLLW : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSRLW : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU, ReadSFBALU]>;
-def PseudoCCSRAW : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                          ReadSFBALU, ReadSFBALU]>;
+def PseudoCCADDW : SFBALU_rr;
+def PseudoCCSUBW : SFBALU_rr;
+def PseudoCCSLLW : SFBALU_rr;
+def PseudoCCSRLW : SFBALU_rr;
+def PseudoCCSRAW : SFBALU_rr;
+
+def PseudoCCADDIW : SFBALU_ri;
 
-def PseudoCCADDIW : Pseudo<(outs GPR:$dst),
-                           (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                            GPR:$falsev, GPR:$rs1, simm12:$rs2), []>,
-                    Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                           ReadSFBALU]>;
-def PseudoCCSLLIW : Pseudo<(outs GPR:$dst),
-                           (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                            GPR:$falsev, GPR:$rs1, uimm5:$shamt), []>,
-                    Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                           ReadSFBALU]>;
-def PseudoCCSRLIW : Pseudo<(outs GPR:$dst),
-                           (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                            GPR:$falsev, GPR:$rs1, uimm5:$shamt), []>,
-                    Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                           ReadSFBALU]>;
-def PseudoCCSRAIW : Pseudo<(outs GPR:$dst),
-                           (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                            GPR:$falsev, GPR:$rs1, uimm5:$shamt), []>,
-                    Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp, ReadSFBALU,
-                           ReadSFBALU]>;
+def PseudoCCSLLIW : SFBShiftW_ri;
+def PseudoCCSRLIW : SFBShiftW_ri;
+def PseudoCCSRAIW : SFBShiftW_ri;
 
 // Zbb/Zbkb instructions
-def PseudoCCANDN : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                          ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCORN : Pseudo<(outs GPR:$dst),
-                         (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                          GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                  Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                         ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
-def PseudoCCXNOR : Pseudo<(outs GPR:$dst),
-                          (ins GPR:$lhs, GPR:$rhs, cond_code:$cc,
-                           GPR:$falsev, GPR:$rs1, GPR:$rs2), []>,
-                   Sched<[WriteSFB, ReadSFBJmp, ReadSFBJmp,
-                          ReadSFBALU, ReadSFBALU, ReadSFBALU]>;
+def PseudoCCANDN : SFBALU_rr;
+def PseudoCCORN  : SFBALU_rr;
+def PseudoCCXNOR : SFBALU_rr;
 }
 
 let Predicates = [HasShortForwardBranchOpt] in

@topperc topperc merged commit 5eaf129 into llvm:main Sep 6, 2025
11 checks passed
@topperc topperc deleted the pr/sfb-duplication branch September 6, 2025 04:59
@llvm-ci
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llvm-ci commented Sep 6, 2025

LLVM Buildbot has detected a new failure on builder openmp-s390x-linux running on systemz-1 while building llvm at step 6 "test-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/88/builds/15778

Here is the relevant piece of the build log for the reference
Step 6 (test-openmp) failure: test (failure)
******************** TEST 'libomp :: tasking/issue-94260-2.c' FAILED ********************
Exit Code: -11

Command Output (stdout):
--
# RUN: at line 1
/home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./bin/clang -fopenmp   -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test -L /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src  -fno-omit-frame-pointer -mbackchain -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/ompt /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/tasking/issue-94260-2.c -o /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp -lm -latomic && /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp
# executed command: /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./bin/clang -fopenmp -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test -L /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -fno-omit-frame-pointer -mbackchain -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/ompt /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/tasking/issue-94260-2.c -o /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp -lm -latomic
# executed command: /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp
# note: command had no output on stdout or stderr
# error: command failed with exit status: -11

--

********************


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4 participants