[llvm] [InstSimplify] Simplify fcmp implied by dominating fcmp (PR #161090)

Rajveer Singh Bharadwaj via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 29 09:12:55 PDT 2025


================
@@ -256,7 +256,7 @@ endif:                                            ; preds = %else, %if
 define amdgpu_kernel void @copy1(ptr addrspace(1) %out, ptr addrspace(1) %in0) {
 entry:
   %tmp = load float, ptr addrspace(1) %in0
-  %tmp1 = fcmp oeq float %tmp, 0.000000e+00
+  %tmp1 = fcmp one float %tmp, 0.000000e+00
----------------
Rajveer100 wrote:

Addition of `isImpliedCondFCmps` affects the IR is what you're saying I believe, in that case shouldn't the result be updated rather than changing the test itself?

https://github.com/llvm/llvm-project/pull/161090


More information about the llvm-commits mailing list