[llvm] [DAG] canCreateUndefOrPoison – mark fneg/fadd/fsub/fmul/fdiv/frem as not poison generating (PR #142345)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,282 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s -check-prefix GFX11
+define float @freeze_fadd(float %input) nounwind {
+; GFX11-LABEL: freeze_fadd:
+; GFX11:       ; %bb.0: ; %entry
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_add_f32_e32 v0, 2.0, v0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+entry:
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RKSimon wrote:

you shouldn't need entry if you're not using numbered variables

https://github.com/llvm/llvm-project/pull/142345