File: pr35515.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; RUN: opt -S -passes=instcombine < %s | FileCheck %s

@g_40 = external global i8, align 2
@g_461 = external global [6 x i8], align 2
@g_49 = external local_unnamed_addr global { i8, i8, i8, i8, i8 }, align 2

; CHECK-LABEL: @func_24(
define i40 @func_24() {
entry:
  %bf.load81 = load i40, ptr @g_49, align 2
  %bf.clear = and i40 %bf.load81, -274869518337
  %cmp2 = icmp eq ptr getelementptr inbounds ([6 x i8], ptr @g_461, i64 0, i64 2), @g_40
  %zext1 = zext i1 %cmp2 to i32
  %cmp = icmp sgt i32 %zext1, 0
  %zext2 = zext i1 %cmp to i40
  %shl = shl i40 %zext2, 23
  %bf.set = or i40 %bf.clear, %shl
  %tmp = lshr i40 %bf.set, 23
  %tmp1 = trunc i40 %tmp to i32
  %tmp2 = and i32 1, %tmp1
  %tmp3 = shl nuw nsw i32 %tmp2, 23
  %bf.shl154 = zext i32 %tmp3 to i40
  %bf.set156 = or i40 %bf.clear, %bf.shl154
  ret i40 %bf.set156
}