[InferAttrs] Set attributes for remainder (#99521)

Summary: Fixes one of the issues in #99497. Test Plan: Reviewers: Subscribers: Tasks: Tags: Differential Revision: https://phabricator.intern.facebook.com/D60250797
llvm · Jul 25, 2024 · 79bc1be · 79bc1be
1 parent 6f43bbd
commit 79bc1be
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diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -1195,6 +1195,9 @@ bool llvm::inferNonMandatoryLibFuncAttrs(Function &F,
   case LibFunc_pow:
   case LibFunc_powf:
   case LibFunc_powl:
+  case LibFunc_remainder:
+  case LibFunc_remainderf:
+  case LibFunc_remainderl:
   case LibFunc_rint:
   case LibFunc_rintf:
   case LibFunc_rintl:

diff --git a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
@@ -800,6 +800,15 @@ declare ptr @vec_realloc(ptr, i64)
 ; CHECK: declare noundef ptr @realpath(ptr nocapture noundef readonly, ptr noundef) [[NOFREE_NOUNWIND]]
 declare ptr @realpath(ptr, ptr)
 
+; CHECK: declare double @remainder(double, double) [[NOFREE_NOUNWIND_WILLRETURN_WRITEONLY]]
+declare double @remainder(double, double)
+
+; CHECK: declare float @remainderf(float, float) [[NOFREE_NOUNWIND_WILLRETURN_WRITEONLY]]
+declare float @remainderf(float, float)
+
+; CHECK: declare x86_fp80 @remainderl(x86_fp80, x86_fp80) [[NOFREE_NOUNWIND_WILLRETURN_WRITEONLY]]
+declare x86_fp80 @remainderl(x86_fp80, x86_fp80)
+
 ; CHECK: declare noundef i32 @remove(ptr nocapture noundef readonly) [[NOFREE_NOUNWIND]]
 declare i32 @remove(ptr)