File: fp-stack.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc %s -o - -mcpu=pentium
; PR6828
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i386-pc-linux-gnu"

define void @foo() nounwind {
entry:
  %tmp6 = load x86_fp80, ptr undef                       ; <x86_fp80> [#uses=2]
  %tmp15 = load x86_fp80, ptr undef                      ; <x86_fp80> [#uses=2]
  %tmp24 = load x86_fp80, ptr undef                      ; <x86_fp80> [#uses=1]
  br i1 undef, label %return, label %bb.nph

bb.nph:                                           ; preds = %entry
  %cmp139 = fcmp ogt x86_fp80 %tmp15, %tmp6          ; <i1> [#uses=1]
  %maxdiag.0 = select i1 %cmp139, x86_fp80 %tmp15, x86_fp80 %tmp6 ; <x86_fp80> [#uses=1]
  %cmp139.1 = fcmp ogt x86_fp80 %tmp24, %maxdiag.0   ; <i1> [#uses=1]
  br i1 %cmp139.1, label %sw.bb372, label %return

sw.bb372:                                         ; preds = %for.end
  ret void

return:                                           ; preds = %for.end
  ret void
}